Home / 83,229.65-124,875.93-49,972.84

Finding the Fourth Proportional to 83,229.65, 124,875.93 and 49,972.84

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Solution

The fourth proportional to 83,229.65, 124,875.93 and 49,972.84 is: 74,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,229.65 : 124,875.93 = 49,972.84 : x
  2. Step 2: Convert to fraction form
    83,229.65/124,875.93 = 49,972.84/x
  3. Step 3: Cross multiply
    83,229.65x = 124,875.93 × 49,972.84
  4. Step 4: Simplify right side
    83,229.65x = 6,240,404,869.74
  5. Step 5: Solve for x
    x = 6,240,404,869.74/83,229.65
  6. Step 6: Final answer
    x = 74,978.15

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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.