Home / 99,615.42-149,127.89-60,052.59

Finding the Fourth Proportional to 99,615.42, 149,127.89 and 60,052.59

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Solution

The fourth proportional to 99,615.42, 149,127.89 and 60,052.59 is: 89,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,615.42 : 149,127.89 = 60,052.59 : x
  2. Step 2: Convert to fraction form
    99,615.42/149,127.89 = 60,052.59/x
  3. Step 3: Cross multiply
    99,615.42x = 149,127.89 × 60,052.59
  4. Step 4: Simplify right side
    99,615.42x = 8,955,515,735.47
  5. Step 5: Solve for x
    x = 8,955,515,735.47/99,615.42
  6. Step 6: Final answer
    x = 89,900.90

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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.