Home / 56,724.76-85,092.96-21,693.88

Finding the Fourth Proportional to 56,724.76, 85,092.96 and 21,693.88

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Solution

The fourth proportional to 56,724.76, 85,092.96 and 21,693.88 is: 32,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,724.76 : 85,092.96 = 21,693.88 : x
  2. Step 2: Convert to fraction form
    56,724.76/85,092.96 = 21,693.88/x
  3. Step 3: Cross multiply
    56,724.76x = 85,092.96 × 21,693.88
  4. Step 4: Simplify right side
    56,724.76x = 1,845,996,463.08
  5. Step 5: Solve for x
    x = 1,845,996,463.08/56,724.76
  6. Step 6: Final answer
    x = 32,543.05

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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.