Home / 51,073.38-76,543.71-28,583.13

Finding the Fourth Proportional to 51,073.38, 76,543.71 and 28,583.13

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Solution

The fourth proportional to 51,073.38, 76,543.71 and 28,583.13 is: 42,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,073.38 : 76,543.71 = 28,583.13 : x
  2. Step 2: Convert to fraction form
    51,073.38/76,543.71 = 28,583.13/x
  3. Step 3: Cross multiply
    51,073.38x = 76,543.71 × 28,583.13
  4. Step 4: Simplify right side
    51,073.38x = 2,187,858,813.61
  5. Step 5: Solve for x
    x = 2,187,858,813.61/51,073.38
  6. Step 6: Final answer
    x = 42,837.56

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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.