Home / 68,594.12-103,405.29-64,021.92

Finding the Fourth Proportional to 68,594.12, 103,405.29 and 64,021.92

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Solution

The fourth proportional to 68,594.12, 103,405.29 and 64,021.92 is: 96,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,594.12 : 103,405.29 = 64,021.92 : x
  2. Step 2: Convert to fraction form
    68,594.12/103,405.29 = 64,021.92/x
  3. Step 3: Cross multiply
    68,594.12x = 103,405.29 × 64,021.92
  4. Step 4: Simplify right side
    68,594.12x = 6,620,204,686.93
  5. Step 5: Solve for x
    x = 6,620,204,686.93/68,594.12
  6. Step 6: Final answer
    x = 96,512.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.