Home / 83,217.03-124,899.70-38,868.77

Finding the Fourth Proportional to 83,217.03, 124,899.70 and 38,868.77

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Solution

The fourth proportional to 83,217.03, 124,899.70 and 38,868.77 is: 58,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,217.03 : 124,899.70 = 38,868.77 : x
  2. Step 2: Convert to fraction form
    83,217.03/124,899.70 = 38,868.77/x
  3. Step 3: Cross multiply
    83,217.03x = 124,899.70 × 38,868.77
  4. Step 4: Simplify right side
    83,217.03x = 4,854,697,712.37
  5. Step 5: Solve for x
    x = 4,854,697,712.37/83,217.03
  6. Step 6: Final answer
    x = 58,337.79

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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.