Home / 124,953.28-172,498.08-84,879.04

Finding the Fourth Proportional to 124,953.28, 172,498.08 and 84,879.04

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Solution

The fourth proportional to 124,953.28, 172,498.08 and 84,879.04 is: 117,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,953.28 : 172,498.08 = 84,879.04 : x
  2. Step 2: Convert to fraction form
    124,953.28/172,498.08 = 84,879.04/x
  3. Step 3: Cross multiply
    124,953.28x = 172,498.08 × 84,879.04
  4. Step 4: Simplify right side
    124,953.28x = 14,641,471,432.24
  5. Step 5: Solve for x
    x = 14,641,471,432.24/124,953.28
  6. Step 6: Final answer
    x = 117,175.57

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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.