Home / 96,140.24-144,009.21-77,318.54

Finding the Fourth Proportional to 96,140.24, 144,009.21 and 77,318.54

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Solution

The fourth proportional to 96,140.24, 144,009.21 and 77,318.54 is: 115,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,140.24 : 144,009.21 = 77,318.54 : x
  2. Step 2: Convert to fraction form
    96,140.24/144,009.21 = 77,318.54/x
  3. Step 3: Cross multiply
    96,140.24x = 144,009.21 × 77,318.54
  4. Step 4: Simplify right side
    96,140.24x = 11,134,581,863.75
  5. Step 5: Solve for x
    x = 11,134,581,863.75/96,140.24
  6. Step 6: Final answer
    x = 115,816.04

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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.