Home / 51,565.83-71,161.57-31,423.56

Finding the Fourth Proportional to 51,565.83, 71,161.57 and 31,423.56

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Solution

The fourth proportional to 51,565.83, 71,161.57 and 31,423.56 is: 43,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565.83 : 71,161.57 = 31,423.56 : x
  2. Step 2: Convert to fraction form
    51,565.83/71,161.57 = 31,423.56/x
  3. Step 3: Cross multiply
    51,565.83x = 71,161.57 × 31,423.56
  4. Step 4: Simplify right side
    51,565.83x = 2,236,149,864.59
  5. Step 5: Solve for x
    x = 2,236,149,864.59/51,565.83
  6. Step 6: Final answer
    x = 43,364.95

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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.