Home / 47,245.14-70,690.27-28,922.90

Finding the Fourth Proportional to 47,245.14, 70,690.27 and 28,922.90

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Solution

The fourth proportional to 47,245.14, 70,690.27 and 28,922.90 is: 43,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,245.14 : 70,690.27 = 28,922.90 : x
  2. Step 2: Convert to fraction form
    47,245.14/70,690.27 = 28,922.90/x
  3. Step 3: Cross multiply
    47,245.14x = 70,690.27 × 28,922.90
  4. Step 4: Simplify right side
    47,245.14x = 2,044,567,610.18
  5. Step 5: Solve for x
    x = 2,044,567,610.18/47,245.14
  6. Step 6: Final answer
    x = 43,275.72

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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.