Home / 77,331.97-106,713.06-45,494.72

Finding the Fourth Proportional to 77,331.97, 106,713.06 and 45,494.72

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Solution

The fourth proportional to 77,331.97, 106,713.06 and 45,494.72 is: 62,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,331.97 : 106,713.06 = 45,494.72 : x
  2. Step 2: Convert to fraction form
    77,331.97/106,713.06 = 45,494.72/x
  3. Step 3: Cross multiply
    77,331.97x = 106,713.06 × 45,494.72
  4. Step 4: Simplify right side
    77,331.97x = 4,854,880,251.48
  5. Step 5: Solve for x
    x = 4,854,880,251.48/77,331.97
  6. Step 6: Final answer
    x = 62,779.73

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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.