Home / 83,583.44-125,375.96-21,253.92

Finding the Fourth Proportional to 83,583.44, 125,375.96 and 21,253.92

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Solution

The fourth proportional to 83,583.44, 125,375.96 and 21,253.92 is: 31,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,583.44 : 125,375.96 = 21,253.92 : x
  2. Step 2: Convert to fraction form
    83,583.44/125,375.96 = 21,253.92/x
  3. Step 3: Cross multiply
    83,583.44x = 125,375.96 × 21,253.92
  4. Step 4: Simplify right side
    83,583.44x = 2,664,730,623.76
  5. Step 5: Solve for x
    x = 2,664,730,623.76/83,583.44
  6. Step 6: Final answer
    x = 31,881.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.