Home / 57,236.20-85,854.30-48,779.80

Finding the Fourth Proportional to 57,236.20, 85,854.30 and 48,779.80

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Solution

The fourth proportional to 57,236.20, 85,854.30 and 48,779.80 is: 73,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.20 : 85,854.30 = 48,779.80 : x
  2. Step 2: Convert to fraction form
    57,236.20/85,854.30 = 48,779.80/x
  3. Step 3: Cross multiply
    57,236.20x = 85,854.30 × 48,779.80
  4. Step 4: Simplify right side
    57,236.20x = 4,187,955,583.14
  5. Step 5: Solve for x
    x = 4,187,955,583.14/57,236.20
  6. Step 6: Final answer
    x = 73,169.70

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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.