Home / 77,948.97-116,887.10-40,498.97

Finding the Fourth Proportional to 77,948.97, 116,887.10 and 40,498.97

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Solution

The fourth proportional to 77,948.97, 116,887.10 and 40,498.97 is: 60,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,948.97 : 116,887.10 = 40,498.97 : x
  2. Step 2: Convert to fraction form
    77,948.97/116,887.10 = 40,498.97/x
  3. Step 3: Cross multiply
    77,948.97x = 116,887.10 × 40,498.97
  4. Step 4: Simplify right side
    77,948.97x = 4,733,807,156.29
  5. Step 5: Solve for x
    x = 4,733,807,156.29/77,948.97
  6. Step 6: Final answer
    x = 60,729.57

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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.