Home / 51,079.20-70,475.52-29,863.68

Finding the Fourth Proportional to 51,079.20, 70,475.52 and 29,863.68

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Solution

The fourth proportional to 51,079.20, 70,475.52 and 29,863.68 is: 41,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.20 : 70,475.52 = 29,863.68 : x
  2. Step 2: Convert to fraction form
    51,079.20/70,475.52 = 29,863.68/x
  3. Step 3: Cross multiply
    51,079.20x = 70,475.52 × 29,863.68
  4. Step 4: Simplify right side
    51,079.20x = 2,104,658,377.11
  5. Step 5: Solve for x
    x = 2,104,658,377.11/51,079.20
  6. Step 6: Final answer
    x = 41,203.82

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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.