Home / 121,463.42-167,619.77-67,747.05

Finding the Fourth Proportional to 121,463.42, 167,619.77 and 67,747.05

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Solution

The fourth proportional to 121,463.42, 167,619.77 and 67,747.05 is: 93,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,463.42 : 167,619.77 = 67,747.05 : x
  2. Step 2: Convert to fraction form
    121,463.42/167,619.77 = 67,747.05/x
  3. Step 3: Cross multiply
    121,463.42x = 167,619.77 × 67,747.05
  4. Step 4: Simplify right side
    121,463.42x = 11,355,744,600.44
  5. Step 5: Solve for x
    x = 11,355,744,600.44/121,463.42
  6. Step 6: Final answer
    x = 93,491.07

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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.