Home / 68,440.55-94,442.56-38,223.50

Finding the Fourth Proportional to 68,440.55, 94,442.56 and 38,223.50

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Solution

The fourth proportional to 68,440.55, 94,442.56 and 38,223.50 is: 52,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,440.55 : 94,442.56 = 38,223.50 : x
  2. Step 2: Convert to fraction form
    68,440.55/94,442.56 = 38,223.50/x
  3. Step 3: Cross multiply
    68,440.55x = 94,442.56 × 38,223.50
  4. Step 4: Simplify right side
    68,440.55x = 3,609,924,624.39
  5. Step 5: Solve for x
    x = 3,609,924,624.39/68,440.55
  6. Step 6: Final answer
    x = 52,745.41

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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.