Home / 71,126.60-106,689.24-28,996.82

Finding the Fourth Proportional to 71,126.60, 106,689.24 and 28,996.82

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Solution

The fourth proportional to 71,126.60, 106,689.24 and 28,996.82 is: 43,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,126.60 : 106,689.24 = 28,996.82 : x
  2. Step 2: Convert to fraction form
    71,126.60/106,689.24 = 28,996.82/x
  3. Step 3: Cross multiply
    71,126.60x = 106,689.24 × 28,996.82
  4. Step 4: Simplify right side
    71,126.60x = 3,093,648,688.22
  5. Step 5: Solve for x
    x = 3,093,648,688.22/71,126.60
  6. Step 6: Final answer
    x = 43,494.96

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1.5x scale

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.