Home / 87,538.96-120,635.22-63,627.76

Finding the Fourth Proportional to 87,538.96, 120,635.22 and 63,627.76

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Solution

The fourth proportional to 87,538.96, 120,635.22 and 63,627.76 is: 87,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,538.96 : 120,635.22 = 63,627.76 : x
  2. Step 2: Convert to fraction form
    87,538.96/120,635.22 = 63,627.76/x
  3. Step 3: Cross multiply
    87,538.96x = 120,635.22 × 63,627.76
  4. Step 4: Simplify right side
    87,538.96x = 7,675,748,825.71
  5. Step 5: Solve for x
    x = 7,675,748,825.71/87,538.96
  6. Step 6: Final answer
    x = 87,683.80

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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.