Home / 47,008.30-70,512.45-43,727.80

Finding the Fourth Proportional to 47,008.30, 70,512.45 and 43,727.80

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Solution

The fourth proportional to 47,008.30, 70,512.45 and 43,727.80 is: 65,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,008.30 : 70,512.45 = 43,727.80 : x
  2. Step 2: Convert to fraction form
    47,008.30/70,512.45 = 43,727.80/x
  3. Step 3: Cross multiply
    47,008.30x = 70,512.45 × 43,727.80
  4. Step 4: Simplify right side
    47,008.30x = 3,083,354,311.11
  5. Step 5: Solve for x
    x = 3,083,354,311.11/47,008.30
  6. Step 6: Final answer
    x = 65,591.70

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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.