Home / 76,882.02-115,336.95-34,781.91

Finding the Fourth Proportional to 76,882.02, 115,336.95 and 34,781.91

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Solution

The fourth proportional to 76,882.02, 115,336.95 and 34,781.91 is: 52,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,882.02 : 115,336.95 = 34,781.91 : x
  2. Step 2: Convert to fraction form
    76,882.02/115,336.95 = 34,781.91/x
  3. Step 3: Cross multiply
    76,882.02x = 115,336.95 × 34,781.91
  4. Step 4: Simplify right side
    76,882.02x = 4,011,639,414.57
  5. Step 5: Solve for x
    x = 4,011,639,414.57/76,882.02
  6. Step 6: Final answer
    x = 52,179.16

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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.