Home / 112,711.47-169,072.40-62,753.95

Finding the Fourth Proportional to 112,711.47, 169,072.40 and 62,753.95

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Solution

The fourth proportional to 112,711.47, 169,072.40 and 62,753.95 is: 94,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,711.47 : 169,072.40 = 62,753.95 : x
  2. Step 2: Convert to fraction form
    112,711.47/169,072.40 = 62,753.95/x
  3. Step 3: Cross multiply
    112,711.47x = 169,072.40 × 62,753.95
  4. Step 4: Simplify right side
    112,711.47x = 10,609,960,935.98
  5. Step 5: Solve for x
    x = 10,609,960,935.98/112,711.47
  6. Step 6: Final answer
    x = 94,133.82

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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.