Home / 99,805.41-149,708.12-58,223.25

Finding the Fourth Proportional to 99,805.41, 149,708.12 and 58,223.25

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Solution

The fourth proportional to 99,805.41, 149,708.12 and 58,223.25 is: 87,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,805.41 : 149,708.12 = 58,223.25 : x
  2. Step 2: Convert to fraction form
    99,805.41/149,708.12 = 58,223.25/x
  3. Step 3: Cross multiply
    99,805.41x = 149,708.12 × 58,223.25
  4. Step 4: Simplify right side
    99,805.41x = 8,716,493,006.67
  5. Step 5: Solve for x
    x = 8,716,493,006.67/99,805.41
  6. Step 6: Final answer
    x = 87,334.88

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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.