Home / 68,732.08-94,845.78-40,432.30

Finding the Fourth Proportional to 68,732.08, 94,845.78 and 40,432.30

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Solution

The fourth proportional to 68,732.08, 94,845.78 and 40,432.30 is: 55,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,732.08 : 94,845.78 = 40,432.30 : x
  2. Step 2: Convert to fraction form
    68,732.08/94,845.78 = 40,432.30/x
  3. Step 3: Cross multiply
    68,732.08x = 94,845.78 × 40,432.30
  4. Step 4: Simplify right side
    68,732.08x = 3,834,833,030.69
  5. Step 5: Solve for x
    x = 3,834,833,030.69/68,732.08
  6. Step 6: Final answer
    x = 55,793.93

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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.