Home / 57,701.54-86,565.28-18,261.02

Finding the Fourth Proportional to 57,701.54, 86,565.28 and 18,261.02

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Solution

The fourth proportional to 57,701.54, 86,565.28 and 18,261.02 is: 27,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.54 : 86,565.28 = 18,261.02 : x
  2. Step 2: Convert to fraction form
    57,701.54/86,565.28 = 18,261.02/x
  3. Step 3: Cross multiply
    57,701.54x = 86,565.28 × 18,261.02
  4. Step 4: Simplify right side
    57,701.54x = 1,580,770,309.39
  5. Step 5: Solve for x
    x = 1,580,770,309.39/57,701.54
  6. Step 6: Final answer
    x = 27,395.63

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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.