Home / 88,182.52-121,777.68-75,360.04

Finding the Fourth Proportional to 88,182.52, 121,777.68 and 75,360.04

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Solution

The fourth proportional to 88,182.52, 121,777.68 and 75,360.04 is: 104,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,182.52 : 121,777.68 = 75,360.04 : x
  2. Step 2: Convert to fraction form
    88,182.52/121,777.68 = 75,360.04/x
  3. Step 3: Cross multiply
    88,182.52x = 121,777.68 × 75,360.04
  4. Step 4: Simplify right side
    88,182.52x = 9,177,170,835.91
  5. Step 5: Solve for x
    x = 9,177,170,835.91/88,182.52
  6. Step 6: Final answer
    x = 104,070.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.