Home / 108,360.26-149,471.78-71,566.70

Finding the Fourth Proportional to 108,360.26, 149,471.78 and 71,566.70

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Solution

The fourth proportional to 108,360.26, 149,471.78 and 71,566.70 is: 98,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,360.26 : 149,471.78 = 71,566.70 : x
  2. Step 2: Convert to fraction form
    108,360.26/149,471.78 = 71,566.70/x
  3. Step 3: Cross multiply
    108,360.26x = 149,471.78 × 71,566.70
  4. Step 4: Simplify right side
    108,360.26x = 10,697,202,053.57
  5. Step 5: Solve for x
    x = 10,697,202,053.57/108,360.26
  6. Step 6: Final answer
    x = 98,718.86

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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.