Home / 68,468.50-94,470.34-39,771.12

Finding the Fourth Proportional to 68,468.50, 94,470.34 and 39,771.12

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Solution

The fourth proportional to 68,468.50, 94,470.34 and 39,771.12 is: 54,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,468.50 : 94,470.34 = 39,771.12 : x
  2. Step 2: Convert to fraction form
    68,468.50/94,470.34 = 39,771.12/x
  3. Step 3: Cross multiply
    68,468.50x = 94,470.34 × 39,771.12
  4. Step 4: Simplify right side
    68,468.50x = 3,757,191,228.58
  5. Step 5: Solve for x
    x = 3,757,191,228.58/68,468.50
  6. Step 6: Final answer
    x = 54,874.74

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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.