Home / 121,767.33-168,038.37-68,052.30

Finding the Fourth Proportional to 121,767.33, 168,038.37 and 68,052.30

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Solution

The fourth proportional to 121,767.33, 168,038.37 and 68,052.30 is: 93,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,767.33 : 168,038.37 = 68,052.30 : x
  2. Step 2: Convert to fraction form
    121,767.33/168,038.37 = 68,052.30/x
  3. Step 3: Cross multiply
    121,767.33x = 168,038.37 × 68,052.30
  4. Step 4: Simplify right side
    121,767.33x = 11,435,397,566.75
  5. Step 5: Solve for x
    x = 11,435,397,566.75/121,767.33
  6. Step 6: Final answer
    x = 93,911.87

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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.