Home / 64,306.20-96,689.70-54,168.60

Finding the Fourth Proportional to 64,306.20, 96,689.70 and 54,168.60

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Solution

The fourth proportional to 64,306.20, 96,689.70 and 54,168.60 is: 81,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,306.20 : 96,689.70 = 54,168.60 : x
  2. Step 2: Convert to fraction form
    64,306.20/96,689.70 = 54,168.60/x
  3. Step 3: Cross multiply
    64,306.20x = 96,689.70 × 54,168.60
  4. Step 4: Simplify right side
    64,306.20x = 5,237,545,683.42
  5. Step 5: Solve for x
    x = 5,237,545,683.42/64,306.20
  6. Step 6: Final answer
    x = 81,446.98

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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.