Home / 97,164.54-134,120.66-56,891.25

Finding the Fourth Proportional to 97,164.54, 134,120.66 and 56,891.25

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Solution

The fourth proportional to 97,164.54, 134,120.66 and 56,891.25 is: 78,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,164.54 : 134,120.66 = 56,891.25 : x
  2. Step 2: Convert to fraction form
    97,164.54/134,120.66 = 56,891.25/x
  3. Step 3: Cross multiply
    97,164.54x = 134,120.66 × 56,891.25
  4. Step 4: Simplify right side
    97,164.54x = 7,630,291,713.77
  5. Step 5: Solve for x
    x = 7,630,291,713.77/97,164.54
  6. Step 6: Final answer
    x = 78,529.59

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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.