Home / 121,627.60-167,844.54-67,913.56

Finding the Fourth Proportional to 121,627.60, 167,844.54 and 67,913.56

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Solution

The fourth proportional to 121,627.60, 167,844.54 and 67,913.56 is: 93,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,627.60 : 167,844.54 = 67,913.56 : x
  2. Step 2: Convert to fraction form
    121,627.60/167,844.54 = 67,913.56/x
  3. Step 3: Cross multiply
    121,627.60x = 167,844.54 × 67,913.56
  4. Step 4: Simplify right side
    121,627.60x = 11,398,920,237.96
  5. Step 5: Solve for x
    x = 11,398,920,237.96/121,627.60
  6. Step 6: Final answer
    x = 93,719.85

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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.