Home / 99,564.10-149,346.15-88,677.70

Finding the Fourth Proportional to 99,564.10, 149,346.15 and 88,677.70

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Solution

The fourth proportional to 99,564.10, 149,346.15 and 88,677.70 is: 133,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,564.10 : 149,346.15 = 88,677.70 : x
  2. Step 2: Convert to fraction form
    99,564.10/149,346.15 = 88,677.70/x
  3. Step 3: Cross multiply
    99,564.10x = 149,346.15 × 88,677.70
  4. Step 4: Simplify right side
    99,564.10x = 13,243,673,085.86
  5. Step 5: Solve for x
    x = 13,243,673,085.86/99,564.10
  6. Step 6: Final answer
    x = 133,016.55

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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.