Home / 124,835.18-172,272.54-68,246.55

Finding the Fourth Proportional to 124,835.18, 172,272.54 and 68,246.55

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Solution

The fourth proportional to 124,835.18, 172,272.54 and 68,246.55 is: 94,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,835.18 : 172,272.54 = 68,246.55 : x
  2. Step 2: Convert to fraction form
    124,835.18/172,272.54 = 68,246.55/x
  3. Step 3: Cross multiply
    124,835.18x = 172,272.54 × 68,246.55
  4. Step 4: Simplify right side
    124,835.18x = 11,757,006,514.74
  5. Step 5: Solve for x
    x = 11,757,006,514.74/124,835.18
  6. Step 6: Final answer
    x = 94,180.24

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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.