Home / 83,576.16-125,364.54-21,246.66

Finding the Fourth Proportional to 83,576.16, 125,364.54 and 21,246.66

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Solution

The fourth proportional to 83,576.16, 125,364.54 and 21,246.66 is: 31,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,576.16 : 125,364.54 = 21,246.66 : x
  2. Step 2: Convert to fraction form
    83,576.16/125,364.54 = 21,246.66/x
  3. Step 3: Cross multiply
    83,576.16x = 125,364.54 × 21,246.66
  4. Step 4: Simplify right side
    83,576.16x = 2,663,577,757.44
  5. Step 5: Solve for x
    x = 2,663,577,757.44/83,576.16
  6. Step 6: Final answer
    x = 31,870.07

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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.