Home / 68,336.78-94,304.91-38,121.35

Finding the Fourth Proportional to 68,336.78, 94,304.91 and 38,121.35

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Solution

The fourth proportional to 68,336.78, 94,304.91 and 38,121.35 is: 52,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336.78 : 94,304.91 = 38,121.35 : x
  2. Step 2: Convert to fraction form
    68,336.78/94,304.91 = 38,121.35/x
  3. Step 3: Cross multiply
    68,336.78x = 94,304.91 × 38,121.35
  4. Step 4: Simplify right side
    68,336.78x = 3,595,030,480.83
  5. Step 5: Solve for x
    x = 3,595,030,480.83/68,336.78
  6. Step 6: Final answer
    x = 52,607.55

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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.