Home / 68,289.90-94,234.15-38,072.86

Finding the Fourth Proportional to 68,289.90, 94,234.15 and 38,072.86

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Solution

The fourth proportional to 68,289.90, 94,234.15 and 38,072.86 is: 52,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,289.90 : 94,234.15 = 38,072.86 : x
  2. Step 2: Convert to fraction form
    68,289.90/94,234.15 = 38,072.86/x
  3. Step 3: Cross multiply
    68,289.90x = 94,234.15 × 38,072.86
  4. Step 4: Simplify right side
    68,289.90x = 3,587,763,600.17
  5. Step 5: Solve for x
    x = 3,587,763,600.17/68,289.90
  6. Step 6: Final answer
    x = 52,537.25

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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.