Home / 99,607.38-149,425.65-36,430.62

Finding the Fourth Proportional to 99,607.38, 149,425.65 and 36,430.62

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Solution

The fourth proportional to 99,607.38, 149,425.65 and 36,430.62 is: 54,651.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,607.38 : 149,425.65 = 36,430.62 : x
  2. Step 2: Convert to fraction form
    99,607.38/149,425.65 = 36,430.62/x
  3. Step 3: Cross multiply
    99,607.38x = 149,425.65 × 36,430.62
  4. Step 4: Simplify right side
    99,607.38x = 5,443,669,073.40
  5. Step 5: Solve for x
    x = 5,443,669,073.40/99,607.38
  6. Step 6: Final answer
    x = 54,651.26

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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.