Home / 99,660.06-149,446.76-28,567.04

Finding the Fourth Proportional to 99,660.06, 149,446.76 and 28,567.04

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Solution

The fourth proportional to 99,660.06, 149,446.76 and 28,567.04 is: 42,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660.06 : 149,446.76 = 28,567.04 : x
  2. Step 2: Convert to fraction form
    99,660.06/149,446.76 = 28,567.04/x
  3. Step 3: Cross multiply
    99,660.06x = 149,446.76 × 28,567.04
  4. Step 4: Simplify right side
    99,660.06x = 4,269,251,570.79
  5. Step 5: Solve for x
    x = 4,269,251,570.79/99,660.06
  6. Step 6: Final answer
    x = 42,838.14

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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.