Home / 71,288.23-106,883.74-36,160.15

Finding the Fourth Proportional to 71,288.23, 106,883.74 and 36,160.15

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Solution

The fourth proportional to 71,288.23, 106,883.74 and 36,160.15 is: 54,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288.23 : 106,883.74 = 36,160.15 : x
  2. Step 2: Convert to fraction form
    71,288.23/106,883.74 = 36,160.15/x
  3. Step 3: Cross multiply
    71,288.23x = 106,883.74 × 36,160.15
  4. Step 4: Simplify right side
    71,288.23x = 3,864,932,070.96
  5. Step 5: Solve for x
    x = 3,864,932,070.96/71,288.23
  6. Step 6: Final answer
    x = 54,215.57

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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.