Home / 77,935.57-116,915.65-25,332.75

Finding the Fourth Proportional to 77,935.57, 116,915.65 and 25,332.75

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Solution

The fourth proportional to 77,935.57, 116,915.65 and 25,332.75 is: 38,003.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,935.57 : 116,915.65 = 25,332.75 : x
  2. Step 2: Convert to fraction form
    77,935.57/116,915.65 = 25,332.75/x
  3. Step 3: Cross multiply
    77,935.57x = 116,915.65 × 25,332.75
  4. Step 4: Simplify right side
    77,935.57x = 2,961,795,011.70
  5. Step 5: Solve for x
    x = 2,961,795,011.70/77,935.57
  6. Step 6: Final answer
    x = 38,003.12

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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.