Home / 83,005.50-124,507.08-38,607.42

Finding the Fourth Proportional to 83,005.50, 124,507.08 and 38,607.42

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Solution

The fourth proportional to 83,005.50, 124,507.08 and 38,607.42 is: 57,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,005.50 : 124,507.08 = 38,607.42 : x
  2. Step 2: Convert to fraction form
    83,005.50/124,507.08 = 38,607.42/x
  3. Step 3: Cross multiply
    83,005.50x = 124,507.08 × 38,607.42
  4. Step 4: Simplify right side
    83,005.50x = 4,806,897,130.53
  5. Step 5: Solve for x
    x = 4,806,897,130.53/83,005.50
  6. Step 6: Final answer
    x = 57,910.59

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1.5x scale

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.