Home / 57,155.30-78,873.45-32,005.70

Finding the Fourth Proportional to 57,155.30, 78,873.45 and 32,005.70

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Solution

The fourth proportional to 57,155.30, 78,873.45 and 32,005.70 is: 44,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,155.30 : 78,873.45 = 32,005.70 : x
  2. Step 2: Convert to fraction form
    57,155.30/78,873.45 = 32,005.70/x
  3. Step 3: Cross multiply
    57,155.30x = 78,873.45 × 32,005.70
  4. Step 4: Simplify right side
    57,155.30x = 2,524,399,978.67
  5. Step 5: Solve for x
    x = 2,524,399,978.67/57,155.30
  6. Step 6: Final answer
    x = 44,167.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.