Home / 112,715.69-169,106.46-50,371.61

Finding the Fourth Proportional to 112,715.69, 169,106.46 and 50,371.61

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Solution

The fourth proportional to 112,715.69, 169,106.46 and 50,371.61 is: 75,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,715.69 : 169,106.46 = 50,371.61 : x
  2. Step 2: Convert to fraction form
    112,715.69/169,106.46 = 50,371.61/x
  3. Step 3: Cross multiply
    112,715.69x = 169,106.46 × 50,371.61
  4. Step 4: Simplify right side
    112,715.69x = 8,518,164,651.60
  5. Step 5: Solve for x
    x = 8,518,164,651.60/112,715.69
  6. Step 6: Final answer
    x = 75,572.13

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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.