Home / 60,778.02-91,201.05-25,743.90

Finding the Fourth Proportional to 60,778.02, 91,201.05 and 25,743.90

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Solution

The fourth proportional to 60,778.02, 91,201.05 and 25,743.90 is: 38,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,778.02 : 91,201.05 = 25,743.90 : x
  2. Step 2: Convert to fraction form
    60,778.02/91,201.05 = 25,743.90/x
  3. Step 3: Cross multiply
    60,778.02x = 91,201.05 × 25,743.90
  4. Step 4: Simplify right side
    60,778.02x = 2,347,870,711.10
  5. Step 5: Solve for x
    x = 2,347,870,711.10/60,778.02
  6. Step 6: Final answer
    x = 38,630.26

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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.