Home / 106,628.33-147,146.18-58,880.66

Finding the Fourth Proportional to 106,628.33, 147,146.18 and 58,880.66

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Solution

The fourth proportional to 106,628.33, 147,146.18 and 58,880.66 is: 81,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,628.33 : 147,146.18 = 58,880.66 : x
  2. Step 2: Convert to fraction form
    106,628.33/147,146.18 = 58,880.66/x
  3. Step 3: Cross multiply
    106,628.33x = 147,146.18 × 58,880.66
  4. Step 4: Simplify right side
    106,628.33x = 8,664,063,164.74
  5. Step 5: Solve for x
    x = 8,664,063,164.74/106,628.33
  6. Step 6: Final answer
    x = 81,254.79

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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.