Home / 68,729.40-103,094.10-47,734.20

Finding the Fourth Proportional to 68,729.40, 103,094.10 and 47,734.20

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Solution

The fourth proportional to 68,729.40, 103,094.10 and 47,734.20 is: 71,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,729.40 : 103,094.10 = 47,734.20 : x
  2. Step 2: Convert to fraction form
    68,729.40/103,094.10 = 47,734.20/x
  3. Step 3: Cross multiply
    68,729.40x = 103,094.10 × 47,734.20
  4. Step 4: Simplify right side
    68,729.40x = 4,921,114,388.22
  5. Step 5: Solve for x
    x = 4,921,114,388.22/68,729.40
  6. Step 6: Final answer
    x = 71,601.30

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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.