Home / 65,483.13-90,377.59-38,632.24

Finding the Fourth Proportional to 65,483.13, 90,377.59 and 38,632.24

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Solution

The fourth proportional to 65,483.13, 90,377.59 and 38,632.24 is: 53,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,483.13 : 90,377.59 = 38,632.24 : x
  2. Step 2: Convert to fraction form
    65,483.13/90,377.59 = 38,632.24/x
  3. Step 3: Cross multiply
    65,483.13x = 90,377.59 × 38,632.24
  4. Step 4: Simplify right side
    65,483.13x = 3,491,488,295.61
  5. Step 5: Solve for x
    x = 3,491,488,295.61/65,483.13
  6. Step 6: Final answer
    x = 53,318.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.