Home / 65,446.01-98,316.64-39,169.20

Finding the Fourth Proportional to 65,446.01, 98,316.64 and 39,169.20

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Solution

The fourth proportional to 65,446.01, 98,316.64 and 39,169.20 is: 58,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,446.01 : 98,316.64 = 39,169.20 : x
  2. Step 2: Convert to fraction form
    65,446.01/98,316.64 = 39,169.20/x
  3. Step 3: Cross multiply
    65,446.01x = 98,316.64 × 39,169.20
  4. Step 4: Simplify right side
    65,446.01x = 3,850,984,553.14
  5. Step 5: Solve for x
    x = 3,850,984,553.14/65,446.01
  6. Step 6: Final answer
    x = 58,842.16

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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.