Home / 120,711.71-181,009.24-50,572.19

Finding the Fourth Proportional to 120,711.71, 181,009.24 and 50,572.19

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Solution

The fourth proportional to 120,711.71, 181,009.24 and 50,572.19 is: 75,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,711.71 : 181,009.24 = 50,572.19 : x
  2. Step 2: Convert to fraction form
    120,711.71/181,009.24 = 50,572.19/x
  3. Step 3: Cross multiply
    120,711.71x = 181,009.24 × 50,572.19
  4. Step 4: Simplify right side
    120,711.71x = 9,154,033,677.04
  5. Step 5: Solve for x
    x = 9,154,033,677.04/120,711.71
  6. Step 6: Final answer
    x = 75,833.85

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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.