Home / 64,920.20-97,373.10-18,177.80

Finding the Fourth Proportional to 64,920.20, 97,373.10 and 18,177.80

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Solution

The fourth proportional to 64,920.20, 97,373.10 and 18,177.80 is: 27,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,920.20 : 97,373.10 = 18,177.80 : x
  2. Step 2: Convert to fraction form
    64,920.20/97,373.10 = 18,177.80/x
  3. Step 3: Cross multiply
    64,920.20x = 97,373.10 × 18,177.80
  4. Step 4: Simplify right side
    64,920.20x = 1,770,028,737.18
  5. Step 5: Solve for x
    x = 1,770,028,737.18/64,920.20
  6. Step 6: Final answer
    x = 27,264.68

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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.