Home / 63,929.84-88,234.68-40,077.20

Finding the Fourth Proportional to 63,929.84, 88,234.68 and 40,077.20

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Solution

The fourth proportional to 63,929.84, 88,234.68 and 40,077.20 is: 55,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,929.84 : 88,234.68 = 40,077.20 : x
  2. Step 2: Convert to fraction form
    63,929.84/88,234.68 = 40,077.20/x
  3. Step 3: Cross multiply
    63,929.84x = 88,234.68 × 40,077.20
  4. Step 4: Simplify right side
    63,929.84x = 3,536,198,917.30
  5. Step 5: Solve for x
    x = 3,536,198,917.30/63,929.84
  6. Step 6: Final answer
    x = 55,313.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.