Home / 122,023.59-168,391.25-68,309.05

Finding the Fourth Proportional to 122,023.59, 168,391.25 and 68,309.05

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Solution

The fourth proportional to 122,023.59, 168,391.25 and 68,309.05 is: 94,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,023.59 : 168,391.25 = 68,309.05 : x
  2. Step 2: Convert to fraction form
    122,023.59/168,391.25 = 68,309.05/x
  3. Step 3: Cross multiply
    122,023.59x = 168,391.25 × 68,309.05
  4. Step 4: Simplify right side
    122,023.59x = 11,502,645,644.63
  5. Step 5: Solve for x
    x = 11,502,645,644.63/122,023.59
  6. Step 6: Final answer
    x = 94,265.76

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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.