Home / 106,976.15-147,626.56-57,917.80

Finding the Fourth Proportional to 106,976.15, 147,626.56 and 57,917.80

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Solution

The fourth proportional to 106,976.15, 147,626.56 and 57,917.80 is: 79,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,976.15 : 147,626.56 = 57,917.80 : x
  2. Step 2: Convert to fraction form
    106,976.15/147,626.56 = 57,917.80/x
  3. Step 3: Cross multiply
    106,976.15x = 147,626.56 × 57,917.80
  4. Step 4: Simplify right side
    106,976.15x = 8,550,205,576.77
  5. Step 5: Solve for x
    x = 8,550,205,576.77/106,976.15
  6. Step 6: Final answer
    x = 79,926.28

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1.5x scale

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.