Home / 57,517.12-86,275.74-18,077.68

Finding the Fourth Proportional to 57,517.12, 86,275.74 and 18,077.68

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Solution

The fourth proportional to 57,517.12, 86,275.74 and 18,077.68 is: 27,116.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.12 : 86,275.74 = 18,077.68 : x
  2. Step 2: Convert to fraction form
    57,517.12/86,275.74 = 18,077.68/x
  3. Step 3: Cross multiply
    57,517.12x = 86,275.74 × 18,077.68
  4. Step 4: Simplify right side
    57,517.12x = 1,559,665,219.48
  5. Step 5: Solve for x
    x = 1,559,665,219.48/57,517.12
  6. Step 6: Final answer
    x = 27,116.54

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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.