Home / 82,869.68-124,237.04-38,524.40

Finding the Fourth Proportional to 82,869.68, 124,237.04 and 38,524.40

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Solution

The fourth proportional to 82,869.68, 124,237.04 and 38,524.40 is: 57,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.68 : 124,237.04 = 38,524.40 : x
  2. Step 2: Convert to fraction form
    82,869.68/124,237.04 = 38,524.40/x
  3. Step 3: Cross multiply
    82,869.68x = 124,237.04 × 38,524.40
  4. Step 4: Simplify right side
    82,869.68x = 4,786,157,423.78
  5. Step 5: Solve for x
    x = 4,786,157,423.78/82,869.68
  6. Step 6: Final answer
    x = 57,755.23

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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.