Home / 65,834.96-98,721.72-38,140.88

Finding the Fourth Proportional to 65,834.96, 98,721.72 and 38,140.88

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Solution

The fourth proportional to 65,834.96, 98,721.72 and 38,140.88 is: 57,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,834.96 : 98,721.72 = 38,140.88 : x
  2. Step 2: Convert to fraction form
    65,834.96/98,721.72 = 38,140.88/x
  3. Step 3: Cross multiply
    65,834.96x = 98,721.72 × 38,140.88
  4. Step 4: Simplify right side
    65,834.96x = 3,765,333,275.91
  5. Step 5: Solve for x
    x = 3,765,333,275.91/65,834.96
  6. Step 6: Final answer
    x = 57,193.52

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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.