Home / 47,191.04-65,120.28-28,069.76

Finding the Fourth Proportional to 47,191.04, 65,120.28 and 28,069.76

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Solution

The fourth proportional to 47,191.04, 65,120.28 and 28,069.76 is: 38,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,191.04 : 65,120.28 = 28,069.76 : x
  2. Step 2: Convert to fraction form
    47,191.04/65,120.28 = 28,069.76/x
  3. Step 3: Cross multiply
    47,191.04x = 65,120.28 × 28,069.76
  4. Step 4: Simplify right side
    47,191.04x = 1,827,910,630.73
  5. Step 5: Solve for x
    x = 1,827,910,630.73/47,191.04
  6. Step 6: Final answer
    x = 38,734.27

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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.