Home / 89,908.33-124,079.16-51,680.11

Finding the Fourth Proportional to 89,908.33, 124,079.16 and 51,680.11

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Solution

The fourth proportional to 89,908.33, 124,079.16 and 51,680.11 is: 71,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,908.33 : 124,079.16 = 51,680.11 : x
  2. Step 2: Convert to fraction form
    89,908.33/124,079.16 = 51,680.11/x
  3. Step 3: Cross multiply
    89,908.33x = 124,079.16 × 51,680.11
  4. Step 4: Simplify right side
    89,908.33x = 6,412,424,637.51
  5. Step 5: Solve for x
    x = 6,412,424,637.51/89,908.33
  6. Step 6: Final answer
    x = 71,321.81

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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.