Home / 99,776.10-149,575.15-36,581.46

Finding the Fourth Proportional to 99,776.10, 149,575.15 and 36,581.46

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Solution

The fourth proportional to 99,776.10, 149,575.15 and 36,581.46 is: 54,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,776.10 : 149,575.15 = 36,581.46 : x
  2. Step 2: Convert to fraction form
    99,776.10/149,575.15 = 36,581.46/x
  3. Step 3: Cross multiply
    99,776.10x = 149,575.15 × 36,581.46
  4. Step 4: Simplify right side
    99,776.10x = 5,471,677,487.13
  5. Step 5: Solve for x
    x = 5,471,677,487.13/99,776.10
  6. Step 6: Final answer
    x = 54,839.56

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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.