Home / 121,348.95-167,462.34-67,637.38

Finding the Fourth Proportional to 121,348.95, 167,462.34 and 67,637.38

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Solution

The fourth proportional to 121,348.95, 167,462.34 and 67,637.38 is: 93,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,348.95 : 167,462.34 = 67,637.38 : x
  2. Step 2: Convert to fraction form
    121,348.95/167,462.34 = 67,637.38/x
  3. Step 3: Cross multiply
    121,348.95x = 167,462.34 × 67,637.38
  4. Step 4: Simplify right side
    121,348.95x = 11,326,713,567.97
  5. Step 5: Solve for x
    x = 11,326,713,567.97/121,348.95
  6. Step 6: Final answer
    x = 93,340.02

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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.