Home / 68,336.76-94,279.50-40,032.12

Finding the Fourth Proportional to 68,336.76, 94,279.50 and 40,032.12

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Solution

The fourth proportional to 68,336.76, 94,279.50 and 40,032.12 is: 55,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336.76 : 94,279.50 = 40,032.12 : x
  2. Step 2: Convert to fraction form
    68,336.76/94,279.50 = 40,032.12/x
  3. Step 3: Cross multiply
    68,336.76x = 94,279.50 × 40,032.12
  4. Step 4: Simplify right side
    68,336.76x = 3,774,208,257.54
  5. Step 5: Solve for x
    x = 3,774,208,257.54/68,336.76
  6. Step 6: Final answer
    x = 55,229.55

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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.