Home / 71,680.33-106,983.46-70,497.83

Finding the Fourth Proportional to 71,680.33, 106,983.46 and 70,497.83

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Solution

The fourth proportional to 71,680.33, 106,983.46 and 70,497.83 is: 105,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,680.33 : 106,983.46 = 70,497.83 : x
  2. Step 2: Convert to fraction form
    71,680.33/106,983.46 = 70,497.83/x
  3. Step 3: Cross multiply
    71,680.33x = 106,983.46 × 70,497.83
  4. Step 4: Simplify right side
    71,680.33x = 7,542,101,775.89
  5. Step 5: Solve for x
    x = 7,542,101,775.89/71,680.33
  6. Step 6: Final answer
    x = 105,218.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.