Home / 78,221.96-117,332.93-22,054.73

Finding the Fourth Proportional to 78,221.96, 117,332.93 and 22,054.73

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Solution

The fourth proportional to 78,221.96, 117,332.93 and 22,054.73 is: 33,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,221.96 : 117,332.93 = 22,054.73 : x
  2. Step 2: Convert to fraction form
    78,221.96/117,332.93 = 22,054.73/x
  3. Step 3: Cross multiply
    78,221.96x = 117,332.93 × 22,054.73
  4. Step 4: Simplify right side
    78,221.96x = 2,587,745,394.32
  5. Step 5: Solve for x
    x = 2,587,745,394.32/78,221.96
  6. Step 6: Final answer
    x = 33,082.09

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.