Home / 68,035.80-102,082.77-38,409.24

Finding the Fourth Proportional to 68,035.80, 102,082.77 and 38,409.24

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Solution

The fourth proportional to 68,035.80, 102,082.77 and 38,409.24 is: 57,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,035.80 : 102,082.77 = 38,409.24 : x
  2. Step 2: Convert to fraction form
    68,035.80/102,082.77 = 38,409.24/x
  3. Step 3: Cross multiply
    68,035.80x = 102,082.77 × 38,409.24
  4. Step 4: Simplify right side
    68,035.80x = 3,920,921,612.79
  5. Step 5: Solve for x
    x = 3,920,921,612.79/68,035.80
  6. Step 6: Final answer
    x = 57,630.27

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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.