Home / 57,148.20-78,865.80-32,618.53

Finding the Fourth Proportional to 57,148.20, 78,865.80 and 32,618.53

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Solution

The fourth proportional to 57,148.20, 78,865.80 and 32,618.53 is: 45,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,148.20 : 78,865.80 = 32,618.53 : x
  2. Step 2: Convert to fraction form
    57,148.20/78,865.80 = 32,618.53/x
  3. Step 3: Cross multiply
    57,148.20x = 78,865.80 × 32,618.53
  4. Step 4: Simplify right side
    57,148.20x = 2,572,486,068.95
  5. Step 5: Solve for x
    x = 2,572,486,068.95/57,148.20
  6. Step 6: Final answer
    x = 45,014.30

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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.