Home / 98,954.16-136,556.92-54,242.48

Finding the Fourth Proportional to 98,954.16, 136,556.92 and 54,242.48

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Solution

The fourth proportional to 98,954.16, 136,556.92 and 54,242.48 is: 74,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,954.16 : 136,556.92 = 54,242.48 : x
  2. Step 2: Convert to fraction form
    98,954.16/136,556.92 = 54,242.48/x
  3. Step 3: Cross multiply
    98,954.16x = 136,556.92 × 54,242.48
  4. Step 4: Simplify right side
    98,954.16x = 7,407,186,001.96
  5. Step 5: Solve for x
    x = 7,407,186,001.96/98,954.16
  6. Step 6: Final answer
    x = 74,854.72

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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.