Home / 57,926.16-79,919.52-32,428.78

Finding the Fourth Proportional to 57,926.16, 79,919.52 and 32,428.78

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Solution

The fourth proportional to 57,926.16, 79,919.52 and 32,428.78 is: 44,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,926.16 : 79,919.52 = 32,428.78 : x
  2. Step 2: Convert to fraction form
    57,926.16/79,919.52 = 32,428.78/x
  3. Step 3: Cross multiply
    57,926.16x = 79,919.52 × 32,428.78
  4. Step 4: Simplify right side
    57,926.16x = 2,591,692,531.79
  5. Step 5: Solve for x
    x = 2,591,692,531.79/57,926.16
  6. Step 6: Final answer
    x = 44,741.31

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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.