Home / 60,772.20-91,158.30-34,090.80

Finding the Fourth Proportional to 60,772.20, 91,158.30 and 34,090.80

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Solution

The fourth proportional to 60,772.20, 91,158.30 and 34,090.80 is: 51,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,772.20 : 91,158.30 = 34,090.80 : x
  2. Step 2: Convert to fraction form
    60,772.20/91,158.30 = 34,090.80/x
  3. Step 3: Cross multiply
    60,772.20x = 91,158.30 × 34,090.80
  4. Step 4: Simplify right side
    60,772.20x = 3,107,659,373.64
  5. Step 5: Solve for x
    x = 3,107,659,373.64/60,772.20
  6. Step 6: Final answer
    x = 51,136.20

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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.