Home / 121,326.68-167,428.55-67,610.52

Finding the Fourth Proportional to 121,326.68, 167,428.55 and 67,610.52

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Solution

The fourth proportional to 121,326.68, 167,428.55 and 67,610.52 is: 93,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,326.68 : 167,428.55 = 67,610.52 : x
  2. Step 2: Convert to fraction form
    121,326.68/167,428.55 = 67,610.52/x
  3. Step 3: Cross multiply
    121,326.68x = 167,428.55 × 67,610.52
  4. Step 4: Simplify right side
    121,326.68x = 11,319,931,497.37
  5. Step 5: Solve for x
    x = 11,319,931,497.37/121,326.68
  6. Step 6: Final answer
    x = 93,301.25

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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.