Home / 57,520.17-86,280.30-18,078.30

Finding the Fourth Proportional to 57,520.17, 86,280.30 and 18,078.30

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Solution

The fourth proportional to 57,520.17, 86,280.30 and 18,078.30 is: 27,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,520.17 : 86,280.30 = 18,078.30 : x
  2. Step 2: Convert to fraction form
    57,520.17/86,280.30 = 18,078.30/x
  3. Step 3: Cross multiply
    57,520.17x = 86,280.30 × 18,078.30
  4. Step 4: Simplify right side
    57,520.17x = 1,559,801,147.49
  5. Step 5: Solve for x
    x = 1,559,801,147.49/57,520.17
  6. Step 6: Final answer
    x = 27,117.46

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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.