Home / 51,619.17-71,233.33-28,957.75

Finding the Fourth Proportional to 51,619.17, 71,233.33 and 28,957.75

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Solution

The fourth proportional to 51,619.17, 71,233.33 and 28,957.75 is: 39,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.17 : 71,233.33 = 28,957.75 : x
  2. Step 2: Convert to fraction form
    51,619.17/71,233.33 = 28,957.75/x
  3. Step 3: Cross multiply
    51,619.17x = 71,233.33 × 28,957.75
  4. Step 4: Simplify right side
    51,619.17x = 2,062,756,605.64
  5. Step 5: Solve for x
    x = 2,062,756,605.64/51,619.17
  6. Step 6: Final answer
    x = 39,961.06

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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.