Home / 125,095.23-172,631.15-67,734.61

Finding the Fourth Proportional to 125,095.23, 172,631.15 and 67,734.61

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Solution

The fourth proportional to 125,095.23, 172,631.15 and 67,734.61 is: 93,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,095.23 : 172,631.15 = 67,734.61 : x
  2. Step 2: Convert to fraction form
    125,095.23/172,631.15 = 67,734.61/x
  3. Step 3: Cross multiply
    125,095.23x = 172,631.15 × 67,734.61
  4. Step 4: Simplify right side
    125,095.23x = 11,693,102,848.85
  5. Step 5: Solve for x
    x = 11,693,102,848.85/125,095.23
  6. Step 6: Final answer
    x = 93,473.61

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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.