Home / 57,981.25-80,014.13-32,830.75

Finding the Fourth Proportional to 57,981.25, 80,014.13 and 32,830.75

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Solution

The fourth proportional to 57,981.25, 80,014.13 and 32,830.75 is: 45,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981.25 : 80,014.13 = 32,830.75 : x
  2. Step 2: Convert to fraction form
    57,981.25/80,014.13 = 32,830.75/x
  3. Step 3: Cross multiply
    57,981.25x = 80,014.13 × 32,830.75
  4. Step 4: Simplify right side
    57,981.25x = 2,626,923,898.50
  5. Step 5: Solve for x
    x = 2,626,923,898.50/57,981.25
  6. Step 6: Final answer
    x = 45,306.44

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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.