Home / 83,818.02-125,679.43-27,642.82

Finding the Fourth Proportional to 83,818.02, 125,679.43 and 27,642.82

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Solution

The fourth proportional to 83,818.02, 125,679.43 and 27,642.82 is: 41,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,818.02 : 125,679.43 = 27,642.82 : x
  2. Step 2: Convert to fraction form
    83,818.02/125,679.43 = 27,642.82/x
  3. Step 3: Cross multiply
    83,818.02x = 125,679.43 × 27,642.82
  4. Step 4: Simplify right side
    83,818.02x = 3,474,133,861.19
  5. Step 5: Solve for x
    x = 3,474,133,861.19/83,818.02
  6. Step 6: Final answer
    x = 41,448.53

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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.