Home / 96,728.38-133,498.20-54,289.24

Finding the Fourth Proportional to 96,728.38, 133,498.20 and 54,289.24

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Solution

The fourth proportional to 96,728.38, 133,498.20 and 54,289.24 is: 74,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,728.38 : 133,498.20 = 54,289.24 : x
  2. Step 2: Convert to fraction form
    96,728.38/133,498.20 = 54,289.24/x
  3. Step 3: Cross multiply
    96,728.38x = 133,498.20 × 54,289.24
  4. Step 4: Simplify right side
    96,728.38x = 7,247,515,819.37
  5. Step 5: Solve for x
    x = 7,247,515,819.37/96,728.38
  6. Step 6: Final answer
    x = 74,926.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.