Home / 89,748.40-123,852.79-49,462.16

Finding the Fourth Proportional to 89,748.40, 123,852.79 and 49,462.16

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Solution

The fourth proportional to 89,748.40, 123,852.79 and 49,462.16 is: 68,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,748.40 : 123,852.79 = 49,462.16 : x
  2. Step 2: Convert to fraction form
    89,748.40/123,852.79 = 49,462.16/x
  3. Step 3: Cross multiply
    89,748.40x = 123,852.79 × 49,462.16
  4. Step 4: Simplify right side
    89,748.40x = 6,126,026,515.43
  5. Step 5: Solve for x
    x = 6,126,026,515.43/89,748.40
  6. Step 6: Final answer
    x = 68,257.78

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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.