Home / 121,613.48-167,827.11-67,895.36

Finding the Fourth Proportional to 121,613.48, 167,827.11 and 67,895.36

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Solution

The fourth proportional to 121,613.48, 167,827.11 and 67,895.36 is: 93,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,613.48 : 167,827.11 = 67,895.36 : x
  2. Step 2: Convert to fraction form
    121,613.48/167,827.11 = 67,895.36/x
  3. Step 3: Cross multiply
    121,613.48x = 167,827.11 × 67,895.36
  4. Step 4: Simplify right side
    121,613.48x = 11,394,682,051.21
  5. Step 5: Solve for x
    x = 11,394,682,051.21/121,613.48
  6. Step 6: Final answer
    x = 93,695.88

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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.