Home / 99,713.80-137,580.13-60,941.71

Finding the Fourth Proportional to 99,713.80, 137,580.13 and 60,941.71

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Solution

The fourth proportional to 99,713.80, 137,580.13 and 60,941.71 is: 84,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,713.80 : 137,580.13 = 60,941.71 : x
  2. Step 2: Convert to fraction form
    99,713.80/137,580.13 = 60,941.71/x
  3. Step 3: Cross multiply
    99,713.80x = 137,580.13 × 60,941.71
  4. Step 4: Simplify right side
    99,713.80x = 8,384,368,384.22
  5. Step 5: Solve for x
    x = 8,384,368,384.22/99,713.80
  6. Step 6: Final answer
    x = 84,084.33

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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.