Home / 47,911.12-66,117.36-26,691.76

Finding the Fourth Proportional to 47,911.12, 66,117.36 and 26,691.76

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Solution

The fourth proportional to 47,911.12, 66,117.36 and 26,691.76 is: 36,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,911.12 : 66,117.36 = 26,691.76 : x
  2. Step 2: Convert to fraction form
    47,911.12/66,117.36 = 26,691.76/x
  3. Step 3: Cross multiply
    47,911.12x = 66,117.36 × 26,691.76
  4. Step 4: Simplify right side
    47,911.12x = 1,764,788,704.95
  5. Step 5: Solve for x
    x = 1,764,788,704.95/47,911.12
  6. Step 6: Final answer
    x = 36,834.64

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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.