Home / 55,687.56-76,837.20-35,531.60

Finding the Fourth Proportional to 55,687.56, 76,837.20 and 35,531.60

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Solution

The fourth proportional to 55,687.56, 76,837.20 and 35,531.60 is: 49,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,687.56 : 76,837.20 = 35,531.60 : x
  2. Step 2: Convert to fraction form
    55,687.56/76,837.20 = 35,531.60/x
  3. Step 3: Cross multiply
    55,687.56x = 76,837.20 × 35,531.60
  4. Step 4: Simplify right side
    55,687.56x = 2,730,148,655.52
  5. Step 5: Solve for x
    x = 2,730,148,655.52/55,687.56
  6. Step 6: Final answer
    x = 49,026.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.