Home / 125,141.23-172,699.20-68,552.61

Finding the Fourth Proportional to 125,141.23, 172,699.20 and 68,552.61

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Solution

The fourth proportional to 125,141.23, 172,699.20 and 68,552.61 is: 94,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,141.23 : 172,699.20 = 68,552.61 : x
  2. Step 2: Convert to fraction form
    125,141.23/172,699.20 = 68,552.61/x
  3. Step 3: Cross multiply
    125,141.23x = 172,699.20 × 68,552.61
  4. Step 4: Simplify right side
    125,141.23x = 11,838,980,904.91
  5. Step 5: Solve for x
    x = 11,838,980,904.91/125,141.23
  6. Step 6: Final answer
    x = 94,604.96

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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.