Home / 57,439.20-86,158.80-26,335.20

Finding the Fourth Proportional to 57,439.20, 86,158.80 and 26,335.20

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Solution

The fourth proportional to 57,439.20, 86,158.80 and 26,335.20 is: 39,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,439.20 : 86,158.80 = 26,335.20 : x
  2. Step 2: Convert to fraction form
    57,439.20/86,158.80 = 26,335.20/x
  3. Step 3: Cross multiply
    57,439.20x = 86,158.80 × 26,335.20
  4. Step 4: Simplify right side
    57,439.20x = 2,269,009,229.76
  5. Step 5: Solve for x
    x = 2,269,009,229.76/57,439.20
  6. Step 6: Final answer
    x = 39,502.80

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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.