Home / 68,475.90-94,479.48-40,176.12

Finding the Fourth Proportional to 68,475.90, 94,479.48 and 40,176.12

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Solution

The fourth proportional to 68,475.90, 94,479.48 and 40,176.12 is: 55,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,475.90 : 94,479.48 = 40,176.12 : x
  2. Step 2: Convert to fraction form
    68,475.90/94,479.48 = 40,176.12/x
  3. Step 3: Cross multiply
    68,475.90x = 94,479.48 × 40,176.12
  4. Step 4: Simplify right side
    68,475.90x = 3,795,818,926.02
  5. Step 5: Solve for x
    x = 3,795,818,926.02/68,475.90
  6. Step 6: Final answer
    x = 55,432.92

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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.