Home / 83,575.06-115,350.56-56,726.22

Finding the Fourth Proportional to 83,575.06, 115,350.56 and 56,726.22

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Solution

The fourth proportional to 83,575.06, 115,350.56 and 56,726.22 is: 78,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,575.06 : 115,350.56 = 56,726.22 : x
  2. Step 2: Convert to fraction form
    83,575.06/115,350.56 = 56,726.22/x
  3. Step 3: Cross multiply
    83,575.06x = 115,350.56 × 56,726.22
  4. Step 4: Simplify right side
    83,575.06x = 6,543,401,243.68
  5. Step 5: Solve for x
    x = 6,543,401,243.68/83,575.06
  6. Step 6: Final answer
    x = 78,293.71

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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.