Home / 121,549.42-167,746.62-67,844.92

Finding the Fourth Proportional to 121,549.42, 167,746.62 and 67,844.92

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Solution

The fourth proportional to 121,549.42, 167,746.62 and 67,844.92 is: 93,630.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,549.42 : 167,746.62 = 67,844.92 : x
  2. Step 2: Convert to fraction form
    121,549.42/167,746.62 = 67,844.92/x
  3. Step 3: Cross multiply
    121,549.42x = 167,746.62 × 67,844.92
  4. Step 4: Simplify right side
    121,549.42x = 11,380,756,014.17
  5. Step 5: Solve for x
    x = 11,380,756,014.17/121,549.42
  6. Step 6: Final answer
    x = 93,630.69

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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.