Home / 72,610.03-108,818.14-38,806.75

Finding the Fourth Proportional to 72,610.03, 108,818.14 and 38,806.75

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Solution

The fourth proportional to 72,610.03, 108,818.14 and 38,806.75 is: 58,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,610.03 : 108,818.14 = 38,806.75 : x
  2. Step 2: Convert to fraction form
    72,610.03/108,818.14 = 38,806.75/x
  3. Step 3: Cross multiply
    72,610.03x = 108,818.14 × 38,806.75
  4. Step 4: Simplify right side
    72,610.03x = 4,222,878,354.45
  5. Step 5: Solve for x
    x = 4,222,878,354.45/72,610.03
  6. Step 6: Final answer
    x = 58,158.33

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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.