Home / 121,078.05-167,085.13-70,092.93

Finding the Fourth Proportional to 121,078.05, 167,085.13 and 70,092.93

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Solution

The fourth proportional to 121,078.05, 167,085.13 and 70,092.93 is: 96,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,078.05 : 167,085.13 = 70,092.93 : x
  2. Step 2: Convert to fraction form
    121,078.05/167,085.13 = 70,092.93/x
  3. Step 3: Cross multiply
    121,078.05x = 167,085.13 × 70,092.93
  4. Step 4: Simplify right side
    121,078.05x = 11,711,486,321.13
  5. Step 5: Solve for x
    x = 11,711,486,321.13/121,078.05
  6. Step 6: Final answer
    x = 96,726.75

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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.