Home / 96,491.28-144,487.60-66,597.72

Finding the Fourth Proportional to 96,491.28, 144,487.60 and 66,597.72

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Solution

The fourth proportional to 96,491.28, 144,487.60 and 66,597.72 is: 99,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,491.28 : 144,487.60 = 66,597.72 : x
  2. Step 2: Convert to fraction form
    96,491.28/144,487.60 = 66,597.72/x
  3. Step 3: Cross multiply
    96,491.28x = 144,487.60 × 66,597.72
  4. Step 4: Simplify right side
    96,491.28x = 9,622,544,728.27
  5. Step 5: Solve for x
    x = 9,622,544,728.27/96,491.28
  6. Step 6: Final answer
    x = 99,724.50

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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.