Home / 82,529.92-123,521.04-75,151.36

Finding the Fourth Proportional to 82,529.92, 123,521.04 and 75,151.36

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Solution

The fourth proportional to 82,529.92, 123,521.04 and 75,151.36 is: 112,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,529.92 : 123,521.04 = 75,151.36 : x
  2. Step 2: Convert to fraction form
    82,529.92/123,521.04 = 75,151.36/x
  3. Step 3: Cross multiply
    82,529.92x = 123,521.04 × 75,151.36
  4. Step 4: Simplify right side
    82,529.92x = 9,282,774,144.61
  5. Step 5: Solve for x
    x = 9,282,774,144.61/82,529.92
  6. Step 6: Final answer
    x = 112,477.68

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1.5x scale

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.