Home / 71,205.17-106,815.06-26,869.23

Finding the Fourth Proportional to 71,205.17, 106,815.06 and 26,869.23

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Solution

The fourth proportional to 71,205.17, 106,815.06 and 26,869.23 is: 40,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,205.17 : 106,815.06 = 26,869.23 : x
  2. Step 2: Convert to fraction form
    71,205.17/106,815.06 = 26,869.23/x
  3. Step 3: Cross multiply
    71,205.17x = 106,815.06 × 26,869.23
  4. Step 4: Simplify right side
    71,205.17x = 2,870,038,414.60
  5. Step 5: Solve for x
    x = 2,870,038,414.60/71,205.17
  6. Step 6: Final answer
    x = 40,306.60

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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.