Home / 112,995.30-155,934.79-62,006.61

Finding the Fourth Proportional to 112,995.30, 155,934.79 and 62,006.61

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Solution

The fourth proportional to 112,995.30, 155,934.79 and 62,006.61 is: 85,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,995.30 : 155,934.79 = 62,006.61 : x
  2. Step 2: Convert to fraction form
    112,995.30/155,934.79 = 62,006.61/x
  3. Step 3: Cross multiply
    112,995.30x = 155,934.79 × 62,006.61
  4. Step 4: Simplify right side
    112,995.30x = 9,668,988,138.70
  5. Step 5: Solve for x
    x = 9,668,988,138.70/112,995.30
  6. Step 6: Final answer
    x = 85,569.82

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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.