Home / 57,212.20-85,818.30-15,092.20

Finding the Fourth Proportional to 57,212.20, 85,818.30 and 15,092.20

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Solution

The fourth proportional to 57,212.20, 85,818.30 and 15,092.20 is: 22,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.20 : 85,818.30 = 15,092.20 : x
  2. Step 2: Convert to fraction form
    57,212.20/85,818.30 = 15,092.20/x
  3. Step 3: Cross multiply
    57,212.20x = 85,818.30 × 15,092.20
  4. Step 4: Simplify right side
    57,212.20x = 1,295,186,947.26
  5. Step 5: Solve for x
    x = 1,295,186,947.26/57,212.20
  6. Step 6: Final answer
    x = 22,638.30

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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.