Home / 42,711.22-64,060.27-14,248.68

Finding the Fourth Proportional to 42,711.22, 64,060.27 and 14,248.68

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Solution

The fourth proportional to 42,711.22, 64,060.27 and 14,248.68 is: 21,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,711.22 : 64,060.27 = 14,248.68 : x
  2. Step 2: Convert to fraction form
    42,711.22/64,060.27 = 14,248.68/x
  3. Step 3: Cross multiply
    42,711.22x = 64,060.27 × 14,248.68
  4. Step 4: Simplify right side
    42,711.22x = 912,774,287.94
  5. Step 5: Solve for x
    x = 912,774,287.94/42,711.22
  6. Step 6: Final answer
    x = 21,370.83

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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.