Home / 121,882.36-182,737.68-46,939.72

Finding the Fourth Proportional to 121,882.36, 182,737.68 and 46,939.72

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Solution

The fourth proportional to 121,882.36, 182,737.68 and 46,939.72 is: 70,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,882.36 : 182,737.68 = 46,939.72 : x
  2. Step 2: Convert to fraction form
    121,882.36/182,737.68 = 46,939.72/x
  3. Step 3: Cross multiply
    121,882.36x = 182,737.68 × 46,939.72
  4. Step 4: Simplify right side
    121,882.36x = 8,577,655,532.65
  5. Step 5: Solve for x
    x = 8,577,655,532.65/121,882.36
  6. Step 6: Final answer
    x = 70,376.51

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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.