Home / 65,769.20-98,678.68-39,492.28

Finding the Fourth Proportional to 65,769.20, 98,678.68 and 39,492.28

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Solution

The fourth proportional to 65,769.20, 98,678.68 and 39,492.28 is: 59,253.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769.20 : 98,678.68 = 39,492.28 : x
  2. Step 2: Convert to fraction form
    65,769.20/98,678.68 = 39,492.28/x
  3. Step 3: Cross multiply
    65,769.20x = 98,678.68 × 39,492.28
  4. Step 4: Simplify right side
    65,769.20x = 3,897,046,060.59
  5. Step 5: Solve for x
    x = 3,897,046,060.59/65,769.20
  6. Step 6: Final answer
    x = 59,253.36

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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.