Home / 112,717.69-169,109.46-50,373.61

Finding the Fourth Proportional to 112,717.69, 169,109.46 and 50,373.61

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Solution

The fourth proportional to 112,717.69, 169,109.46 and 50,373.61 is: 75,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,717.69 : 169,109.46 = 50,373.61 : x
  2. Step 2: Convert to fraction form
    112,717.69/169,109.46 = 50,373.61/x
  3. Step 3: Cross multiply
    112,717.69x = 169,109.46 × 50,373.61
  4. Step 4: Simplify right side
    112,717.69x = 8,518,653,985.35
  5. Step 5: Solve for x
    x = 8,518,653,985.35/112,717.69
  6. Step 6: Final answer
    x = 75,575.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.