Home / 68,343.20-94,280.16-45,687.68

Finding the Fourth Proportional to 68,343.20, 94,280.16 and 45,687.68

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Solution

The fourth proportional to 68,343.20, 94,280.16 and 45,687.68 is: 63,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,343.20 : 94,280.16 = 45,687.68 : x
  2. Step 2: Convert to fraction form
    68,343.20/94,280.16 = 45,687.68/x
  3. Step 3: Cross multiply
    68,343.20x = 94,280.16 × 45,687.68
  4. Step 4: Simplify right side
    68,343.20x = 4,307,441,780.43
  5. Step 5: Solve for x
    x = 4,307,441,780.43/68,343.20
  6. Step 6: Final answer
    x = 63,026.63

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1.5x scale

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.