Home / 125,182.02-172,753.38-68,590.02

Finding the Fourth Proportional to 125,182.02, 172,753.38 and 68,590.02

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Solution

The fourth proportional to 125,182.02, 172,753.38 and 68,590.02 is: 94,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,182.02 : 172,753.38 = 68,590.02 : x
  2. Step 2: Convert to fraction form
    125,182.02/172,753.38 = 68,590.02/x
  3. Step 3: Cross multiply
    125,182.02x = 172,753.38 × 68,590.02
  4. Step 4: Simplify right side
    125,182.02x = 11,849,157,789.27
  5. Step 5: Solve for x
    x = 11,849,157,789.27/125,182.02
  6. Step 6: Final answer
    x = 94,655.43

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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.