Home / 112,725.38-155,565.91-62,424.38

Finding the Fourth Proportional to 112,725.38, 155,565.91 and 62,424.38

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Solution

The fourth proportional to 112,725.38, 155,565.91 and 62,424.38 is: 86,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,725.38 : 155,565.91 = 62,424.38 : x
  2. Step 2: Convert to fraction form
    112,725.38/155,565.91 = 62,424.38/x
  3. Step 3: Cross multiply
    112,725.38x = 155,565.91 × 62,424.38
  4. Step 4: Simplify right side
    112,725.38x = 9,711,104,547.00
  5. Step 5: Solve for x
    x = 9,711,104,547.00/112,725.38
  6. Step 6: Final answer
    x = 86,148.35

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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.