Home / 96,988.29-133,843.93-53,971.72

Finding the Fourth Proportional to 96,988.29, 133,843.93 and 53,971.72

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Solution

The fourth proportional to 96,988.29, 133,843.93 and 53,971.72 is: 74,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,988.29 : 133,843.93 = 53,971.72 : x
  2. Step 2: Convert to fraction form
    96,988.29/133,843.93 = 53,971.72/x
  3. Step 3: Cross multiply
    96,988.29x = 133,843.93 × 53,971.72
  4. Step 4: Simplify right side
    96,988.29x = 7,223,786,644.12
  5. Step 5: Solve for x
    x = 7,223,786,644.12/96,988.29
  6. Step 6: Final answer
    x = 74,481.02

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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.