Home / 106,831.14-147,382.41-61,498.26

Finding the Fourth Proportional to 106,831.14, 147,382.41 and 61,498.26

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Solution

The fourth proportional to 106,831.14, 147,382.41 and 61,498.26 is: 84,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,831.14 : 147,382.41 = 61,498.26 : x
  2. Step 2: Convert to fraction form
    106,831.14/147,382.41 = 61,498.26/x
  3. Step 3: Cross multiply
    106,831.14x = 147,382.41 × 61,498.26
  4. Step 4: Simplify right side
    106,831.14x = 9,063,761,769.61
  5. Step 5: Solve for x
    x = 9,063,761,769.61/106,831.14
  6. Step 6: Final answer
    x = 84,841.95

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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.