Home / 64,416.28-88,849.48-62,248.72

Finding the Fourth Proportional to 64,416.28, 88,849.48 and 62,248.72

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Solution

The fourth proportional to 64,416.28, 88,849.48 and 62,248.72 is: 85,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.28 : 88,849.48 = 62,248.72 : x
  2. Step 2: Convert to fraction form
    64,416.28/88,849.48 = 62,248.72/x
  3. Step 3: Cross multiply
    64,416.28x = 88,849.48 × 62,248.72
  4. Step 4: Simplify right side
    64,416.28x = 5,530,766,402.67
  5. Step 5: Solve for x
    x = 5,530,766,402.67/64,416.28
  6. Step 6: Final answer
    x = 85,859.76

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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.