Home / 83,723.88-125,043.91-75,810.59

Finding the Fourth Proportional to 83,723.88, 125,043.91 and 75,810.59

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Solution

The fourth proportional to 83,723.88, 125,043.91 and 75,810.59 is: 113,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,723.88 : 125,043.91 = 75,810.59 : x
  2. Step 2: Convert to fraction form
    83,723.88/125,043.91 = 75,810.59/x
  3. Step 3: Cross multiply
    83,723.88x = 125,043.91 × 75,810.59
  4. Step 4: Simplify right side
    83,723.88x = 9,479,652,247.18
  5. Step 5: Solve for x
    x = 9,479,652,247.18/83,723.88
  6. Step 6: Final answer
    x = 113,225.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.