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Finding the Fourth Proportional to 96,393.96, 133,026.48 and 53,951.40

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Solution

The fourth proportional to 96,393.96, 133,026.48 and 53,951.40 is: 74,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,393.96 : 133,026.48 = 53,951.40 : x
  2. Step 2: Convert to fraction form
    96,393.96/133,026.48 = 53,951.40/x
  3. Step 3: Cross multiply
    96,393.96x = 133,026.48 × 53,951.40
  4. Step 4: Simplify right side
    96,393.96x = 7,176,964,833.07
  5. Step 5: Solve for x
    x = 7,176,964,833.07/96,393.96
  6. Step 6: Final answer
    x = 74,454.51

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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.