Home / 77,938.94-116,920.73-25,336.13

Finding the Fourth Proportional to 77,938.94, 116,920.73 and 25,336.13

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Solution

The fourth proportional to 77,938.94, 116,920.73 and 25,336.13 is: 38,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,938.94 : 116,920.73 = 25,336.13 : x
  2. Step 2: Convert to fraction form
    77,938.94/116,920.73 = 25,336.13/x
  3. Step 3: Cross multiply
    77,938.94x = 116,920.73 × 25,336.13
  4. Step 4: Simplify right side
    77,938.94x = 2,962,318,293.71
  5. Step 5: Solve for x
    x = 2,962,318,293.71/77,938.94
  6. Step 6: Final answer
    x = 38,008.19

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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.