Home / 63,707.48-87,909.18-38,214.90

Finding the Fourth Proportional to 63,707.48, 87,909.18 and 38,214.90

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Solution

The fourth proportional to 63,707.48, 87,909.18 and 38,214.90 is: 52,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,707.48 : 87,909.18 = 38,214.90 : x
  2. Step 2: Convert to fraction form
    63,707.48/87,909.18 = 38,214.90/x
  3. Step 3: Cross multiply
    63,707.48x = 87,909.18 × 38,214.90
  4. Step 4: Simplify right side
    63,707.48x = 3,359,440,522.78
  5. Step 5: Solve for x
    x = 3,359,440,522.78/63,707.48
  6. Step 6: Final answer
    x = 52,732.28

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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.