Home / 96,139.72-144,060.96-75,029.68

Finding the Fourth Proportional to 96,139.72, 144,060.96 and 75,029.68

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Solution

The fourth proportional to 96,139.72, 144,060.96 and 75,029.68 is: 112,428.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,139.72 : 144,060.96 = 75,029.68 : x
  2. Step 2: Convert to fraction form
    96,139.72/144,060.96 = 75,029.68/x
  3. Step 3: Cross multiply
    96,139.72x = 144,060.96 × 75,029.68
  4. Step 4: Simplify right side
    96,139.72x = 10,808,847,729.29
  5. Step 5: Solve for x
    x = 10,808,847,729.29/96,139.72
  6. Step 6: Final answer
    x = 112,428.53

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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.