Home / 68,216.92-94,140.38-39,149.95

Finding the Fourth Proportional to 68,216.92, 94,140.38 and 39,149.95

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Solution

The fourth proportional to 68,216.92, 94,140.38 and 39,149.95 is: 54,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,216.92 : 94,140.38 = 39,149.95 : x
  2. Step 2: Convert to fraction form
    68,216.92/94,140.38 = 39,149.95/x
  3. Step 3: Cross multiply
    68,216.92x = 94,140.38 × 39,149.95
  4. Step 4: Simplify right side
    68,216.92x = 3,685,590,988.80
  5. Step 5: Solve for x
    x = 3,685,590,988.80/68,216.92
  6. Step 6: Final answer
    x = 54,027.52

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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.