Home / 99,390.18-149,053.48-32,817.90

Finding the Fourth Proportional to 99,390.18, 149,053.48 and 32,817.90

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Solution

The fourth proportional to 99,390.18, 149,053.48 and 32,817.90 is: 49,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,390.18 : 149,053.48 = 32,817.90 : x
  2. Step 2: Convert to fraction form
    99,390.18/149,053.48 = 32,817.90/x
  3. Step 3: Cross multiply
    99,390.18x = 149,053.48 × 32,817.90
  4. Step 4: Simplify right side
    99,390.18x = 4,891,622,862.80
  5. Step 5: Solve for x
    x = 4,891,622,862.80/99,390.18
  6. Step 6: Final answer
    x = 49,216.36

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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.