Home / 71,306.10-106,930.44-26,908.70

Finding the Fourth Proportional to 71,306.10, 106,930.44 and 26,908.70

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Solution

The fourth proportional to 71,306.10, 106,930.44 and 26,908.70 is: 40,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,306.10 : 106,930.44 = 26,908.70 : x
  2. Step 2: Convert to fraction form
    71,306.10/106,930.44 = 26,908.70/x
  3. Step 3: Cross multiply
    71,306.10x = 106,930.44 × 26,908.70
  4. Step 4: Simplify right side
    71,306.10x = 2,877,358,596.18
  5. Step 5: Solve for x
    x = 2,877,358,596.18/71,306.10
  6. Step 6: Final answer
    x = 40,352.21

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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.