Home / 68,615.08-102,816.30-47,596

Finding the Fourth Proportional to 68,615.08, 102,816.30 and 47,596

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Solution

The fourth proportional to 68,615.08, 102,816.30 and 47,596 is: 71,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,615.08 : 102,816.30 = 47,596 : x
  2. Step 2: Convert to fraction form
    68,615.08/102,816.30 = 47,596/x
  3. Step 3: Cross multiply
    68,615.08x = 102,816.30 × 47,596
  4. Step 4: Simplify right side
    68,615.08x = 4,893,644,614.80
  5. Step 5: Solve for x
    x = 4,893,644,614.80/68,615.08
  6. Step 6: Final answer
    x = 71,320.25

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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.