Home / 99,713.52-149,635.08-52,999.20

Finding the Fourth Proportional to 99,713.52, 149,635.08 and 52,999.20

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Solution

The fourth proportional to 99,713.52, 149,635.08 and 52,999.20 is: 79,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,713.52 : 149,635.08 = 52,999.20 : x
  2. Step 2: Convert to fraction form
    99,713.52/149,635.08 = 52,999.20/x
  3. Step 3: Cross multiply
    99,713.52x = 149,635.08 × 52,999.20
  4. Step 4: Simplify right side
    99,713.52x = 7,930,539,531.94
  5. Step 5: Solve for x
    x = 7,930,539,531.94/99,713.52
  6. Step 6: Final answer
    x = 79,533.24

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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.