Home / 99,542.28-149,308.02-40,362.06

Finding the Fourth Proportional to 99,542.28, 149,308.02 and 40,362.06

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Solution

The fourth proportional to 99,542.28, 149,308.02 and 40,362.06 is: 60,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,542.28 : 149,308.02 = 40,362.06 : x
  2. Step 2: Convert to fraction form
    99,542.28/149,308.02 = 40,362.06/x
  3. Step 3: Cross multiply
    99,542.28x = 149,308.02 × 40,362.06
  4. Step 4: Simplify right side
    99,542.28x = 6,026,379,261.72
  5. Step 5: Solve for x
    x = 6,026,379,261.72/99,542.28
  6. Step 6: Final answer
    x = 60,540.90

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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.