Home / 56,028.20-83,927.10-38,517.80

Finding the Fourth Proportional to 56,028.20, 83,927.10 and 38,517.80

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Solution

The fourth proportional to 56,028.20, 83,927.10 and 38,517.80 is: 57,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,028.20 : 83,927.10 = 38,517.80 : x
  2. Step 2: Convert to fraction form
    56,028.20/83,927.10 = 38,517.80/x
  3. Step 3: Cross multiply
    56,028.20x = 83,927.10 × 38,517.80
  4. Step 4: Simplify right side
    56,028.20x = 3,232,687,252.38
  5. Step 5: Solve for x
    x = 3,232,687,252.38/56,028.20
  6. Step 6: Final answer
    x = 57,697.50

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1.5x scale

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.