Home / 61,071.08-84,319.30-38,135.94

Finding the Fourth Proportional to 61,071.08, 84,319.30 and 38,135.94

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Solution

The fourth proportional to 61,071.08, 84,319.30 and 38,135.94 is: 52,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,071.08 : 84,319.30 = 38,135.94 : x
  2. Step 2: Convert to fraction form
    61,071.08/84,319.30 = 38,135.94/x
  3. Step 3: Cross multiply
    61,071.08x = 84,319.30 × 38,135.94
  4. Step 4: Simplify right side
    61,071.08x = 3,215,595,765.64
  5. Step 5: Solve for x
    x = 3,215,595,765.64/61,071.08
  6. Step 6: Final answer
    x = 52,653.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.