Home / 99,964.81-149,873.14-60,512.59

Finding the Fourth Proportional to 99,964.81, 149,873.14 and 60,512.59

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Solution

The fourth proportional to 99,964.81, 149,873.14 and 60,512.59 is: 90,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,964.81 : 149,873.14 = 60,512.59 : x
  2. Step 2: Convert to fraction form
    99,964.81/149,873.14 = 60,512.59/x
  3. Step 3: Cross multiply
    99,964.81x = 149,873.14 × 60,512.59
  4. Step 4: Simplify right side
    99,964.81x = 9,069,211,872.83
  5. Step 5: Solve for x
    x = 9,069,211,872.83/99,964.81
  6. Step 6: Final answer
    x = 90,724.04

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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.