Home / 122,092.05-168,479.01-68,364.75

Finding the Fourth Proportional to 122,092.05, 168,479.01 and 68,364.75

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Solution

The fourth proportional to 122,092.05, 168,479.01 and 68,364.75 is: 94,338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,092.05 : 168,479.01 = 68,364.75 : x
  2. Step 2: Convert to fraction form
    122,092.05/168,479.01 = 68,364.75/x
  3. Step 3: Cross multiply
    122,092.05x = 168,479.01 × 68,364.75
  4. Step 4: Simplify right side
    122,092.05x = 11,518,025,398.90
  5. Step 5: Solve for x
    x = 11,518,025,398.90/122,092.05
  6. Step 6: Final answer
    x = 94,338.86

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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.