Home / 68,280.12-94,182.57-45,309.44

Finding the Fourth Proportional to 68,280.12, 94,182.57 and 45,309.44

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Solution

The fourth proportional to 68,280.12, 94,182.57 and 45,309.44 is: 62,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,280.12 : 94,182.57 = 45,309.44 : x
  2. Step 2: Convert to fraction form
    68,280.12/94,182.57 = 45,309.44/x
  3. Step 3: Cross multiply
    68,280.12x = 94,182.57 × 45,309.44
  4. Step 4: Simplify right side
    68,280.12x = 4,267,359,033.55
  5. Step 5: Solve for x
    x = 4,267,359,033.55/68,280.12
  6. Step 6: Final answer
    x = 62,497.83

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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.