Home / 83,543.72-125,320.62-33,623.60

Finding the Fourth Proportional to 83,543.72, 125,320.62 and 33,623.60

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Solution

The fourth proportional to 83,543.72, 125,320.62 and 33,623.60 is: 50,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,543.72 : 125,320.62 = 33,623.60 : x
  2. Step 2: Convert to fraction form
    83,543.72/125,320.62 = 33,623.60/x
  3. Step 3: Cross multiply
    83,543.72x = 125,320.62 × 33,623.60
  4. Step 4: Simplify right side
    83,543.72x = 4,213,730,398.63
  5. Step 5: Solve for x
    x = 4,213,730,398.63/83,543.72
  6. Step 6: Final answer
    x = 50,437.43

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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.