Home / 68,442.20-102,566.10-47,641.40

Finding the Fourth Proportional to 68,442.20, 102,566.10 and 47,641.40

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Solution

The fourth proportional to 68,442.20, 102,566.10 and 47,641.40 is: 71,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,442.20 : 102,566.10 = 47,641.40 : x
  2. Step 2: Convert to fraction form
    68,442.20/102,566.10 = 47,641.40/x
  3. Step 3: Cross multiply
    68,442.20x = 102,566.10 × 47,641.40
  4. Step 4: Simplify right side
    68,442.20x = 4,886,392,596.54
  5. Step 5: Solve for x
    x = 4,886,392,596.54/68,442.20
  6. Step 6: Final answer
    x = 71,394.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.