Home / 125,242.66-172,846.83-71,535.70

Finding the Fourth Proportional to 125,242.66, 172,846.83 and 71,535.70

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Solution

The fourth proportional to 125,242.66, 172,846.83 and 71,535.70 is: 98,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,242.66 : 172,846.83 = 71,535.70 : x
  2. Step 2: Convert to fraction form
    125,242.66/172,846.83 = 71,535.70/x
  3. Step 3: Cross multiply
    125,242.66x = 172,846.83 × 71,535.70
  4. Step 4: Simplify right side
    125,242.66x = 12,364,718,976.83
  5. Step 5: Solve for x
    x = 12,364,718,976.83/125,242.66
  6. Step 6: Final answer
    x = 98,726.10

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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.