Home / 64,358.20-96,537.30-54,638.20

Finding the Fourth Proportional to 64,358.20, 96,537.30 and 54,638.20

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Solution

The fourth proportional to 64,358.20, 96,537.30 and 54,638.20 is: 81,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,358.20 : 96,537.30 = 54,638.20 : x
  2. Step 2: Convert to fraction form
    64,358.20/96,537.30 = 54,638.20/x
  3. Step 3: Cross multiply
    64,358.20x = 96,537.30 × 54,638.20
  4. Step 4: Simplify right side
    64,358.20x = 5,274,624,304.86
  5. Step 5: Solve for x
    x = 5,274,624,304.86/64,358.20
  6. Step 6: Final answer
    x = 81,957.30

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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.