Home / 125,308.14-172,925.46-68,719.92

Finding the Fourth Proportional to 125,308.14, 172,925.46 and 68,719.92

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Solution

The fourth proportional to 125,308.14, 172,925.46 and 68,719.92 is: 94,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,308.14 : 172,925.46 = 68,719.92 : x
  2. Step 2: Convert to fraction form
    125,308.14/172,925.46 = 68,719.92/x
  3. Step 3: Cross multiply
    125,308.14x = 172,925.46 × 68,719.92
  4. Step 4: Simplify right side
    125,308.14x = 11,883,423,777.16
  5. Step 5: Solve for x
    x = 11,883,423,777.16/125,308.14
  6. Step 6: Final answer
    x = 94,833.61

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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.