Home / 83,631.17-125,471.36-33,685.56

Finding the Fourth Proportional to 83,631.17, 125,471.36 and 33,685.56

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Solution

The fourth proportional to 83,631.17, 125,471.36 and 33,685.56 is: 50,538.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,631.17 : 125,471.36 = 33,685.56 : x
  2. Step 2: Convert to fraction form
    83,631.17/125,471.36 = 33,685.56/x
  3. Step 3: Cross multiply
    83,631.17x = 125,471.36 × 33,685.56
  4. Step 4: Simplify right side
    83,631.17x = 4,226,572,756.89
  5. Step 5: Solve for x
    x = 4,226,572,756.89/83,631.17
  6. Step 6: Final answer
    x = 50,538.25

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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.