Home / 77,331.34-106,712.17-45,494.11

Finding the Fourth Proportional to 77,331.34, 106,712.17 and 45,494.11

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Solution

The fourth proportional to 77,331.34, 106,712.17 and 45,494.11 is: 62,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,331.34 : 106,712.17 = 45,494.11 : x
  2. Step 2: Convert to fraction form
    77,331.34/106,712.17 = 45,494.11/x
  3. Step 3: Cross multiply
    77,331.34x = 106,712.17 × 45,494.11
  4. Step 4: Simplify right side
    77,331.34x = 4,854,775,200.32
  5. Step 5: Solve for x
    x = 4,854,775,200.32/77,331.34
  6. Step 6: Final answer
    x = 62,778.88

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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.