Home / 121,005.72-181,545.48-61,882.92

Finding the Fourth Proportional to 121,005.72, 181,545.48 and 61,882.92

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Solution

The fourth proportional to 121,005.72, 181,545.48 and 61,882.92 is: 92,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,005.72 : 181,545.48 = 61,882.92 : x
  2. Step 2: Convert to fraction form
    121,005.72/181,545.48 = 61,882.92/x
  3. Step 3: Cross multiply
    121,005.72x = 181,545.48 × 61,882.92
  4. Step 4: Simplify right side
    121,005.72x = 11,234,564,415.20
  5. Step 5: Solve for x
    x = 11,234,564,415.20/121,005.72
  6. Step 6: Final answer
    x = 92,843.25

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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.