Home / 47,122.26-65,031.86-26,981.88

Finding the Fourth Proportional to 47,122.26, 65,031.86 and 26,981.88

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Solution

The fourth proportional to 47,122.26, 65,031.86 and 26,981.88 is: 37,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,122.26 : 65,031.86 = 26,981.88 : x
  2. Step 2: Convert to fraction form
    47,122.26/65,031.86 = 26,981.88/x
  3. Step 3: Cross multiply
    47,122.26x = 65,031.86 × 26,981.88
  4. Step 4: Simplify right side
    47,122.26x = 1,754,681,842.70
  5. Step 5: Solve for x
    x = 1,754,681,842.70/47,122.26
  6. Step 6: Final answer
    x = 37,236.79

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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.