Home / 47,178.16-70,759.28-13,441.80

Finding the Fourth Proportional to 47,178.16, 70,759.28 and 13,441.80

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Solution

The fourth proportional to 47,178.16, 70,759.28 and 13,441.80 is: 20,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,178.16 : 70,759.28 = 13,441.80 : x
  2. Step 2: Convert to fraction form
    47,178.16/70,759.28 = 13,441.80/x
  3. Step 3: Cross multiply
    47,178.16x = 70,759.28 × 13,441.80
  4. Step 4: Simplify right side
    47,178.16x = 951,132,089.90
  5. Step 5: Solve for x
    x = 951,132,089.90/47,178.16
  6. Step 6: Final answer
    x = 20,160.43

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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.