Home / 122,050.77-168,422.07-68,335.29

Finding the Fourth Proportional to 122,050.77, 168,422.07 and 68,335.29

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Solution

The fourth proportional to 122,050.77, 168,422.07 and 68,335.29 is: 94,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,050.77 : 168,422.07 = 68,335.29 : x
  2. Step 2: Convert to fraction form
    122,050.77/168,422.07 = 68,335.29/x
  3. Step 3: Cross multiply
    122,050.77x = 168,422.07 × 68,335.29
  4. Step 4: Simplify right side
    122,050.77x = 11,509,170,995.85
  5. Step 5: Solve for x
    x = 11,509,170,995.85/122,050.77
  6. Step 6: Final answer
    x = 94,298.23

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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.