Home / 79,637.57-119,456.23-54,601.72

Finding the Fourth Proportional to 79,637.57, 119,456.23 and 54,601.72

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Solution

The fourth proportional to 79,637.57, 119,456.23 and 54,601.72 is: 81,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,637.57 : 119,456.23 = 54,601.72 : x
  2. Step 2: Convert to fraction form
    79,637.57/119,456.23 = 54,601.72/x
  3. Step 3: Cross multiply
    79,637.57x = 119,456.23 × 54,601.72
  4. Step 4: Simplify right side
    79,637.57x = 6,522,515,622.72
  5. Step 5: Solve for x
    x = 6,522,515,622.72/79,637.57
  6. Step 6: Final answer
    x = 81,902.49

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1.5x scale

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.