Home / 121,575.33-167,775.75-67,864.41

Finding the Fourth Proportional to 121,575.33, 167,775.75 and 67,864.41

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Solution

The fourth proportional to 121,575.33, 167,775.75 and 67,864.41 is: 93,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,575.33 : 167,775.75 = 67,864.41 : x
  2. Step 2: Convert to fraction form
    121,575.33/167,775.75 = 67,864.41/x
  3. Step 3: Cross multiply
    121,575.33x = 167,775.75 × 67,864.41
  4. Step 4: Simplify right side
    121,575.33x = 11,386,002,286.06
  5. Step 5: Solve for x
    x = 11,386,002,286.06/121,575.33
  6. Step 6: Final answer
    x = 93,653.89

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1.5x scale

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.