Home / 83,963.17-115,672.09-58,425.62

Finding the Fourth Proportional to 83,963.17, 115,672.09 and 58,425.62

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Solution

The fourth proportional to 83,963.17, 115,672.09 and 58,425.62 is: 80,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,963.17 : 115,672.09 = 58,425.62 : x
  2. Step 2: Convert to fraction form
    83,963.17/115,672.09 = 58,425.62/x
  3. Step 3: Cross multiply
    83,963.17x = 115,672.09 × 58,425.62
  4. Step 4: Simplify right side
    83,963.17x = 6,758,213,574.95
  5. Step 5: Solve for x
    x = 6,758,213,574.95/83,963.17
  6. Step 6: Final answer
    x = 80,490.21

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1.5x scale

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.