Home / 68,767.07-103,158.32-61,703.66

Finding the Fourth Proportional to 68,767.07, 103,158.32 and 61,703.66

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Solution

The fourth proportional to 68,767.07, 103,158.32 and 61,703.66 is: 92,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,767.07 : 103,158.32 = 61,703.66 : x
  2. Step 2: Convert to fraction form
    68,767.07/103,158.32 = 61,703.66/x
  3. Step 3: Cross multiply
    68,767.07x = 103,158.32 × 61,703.66
  4. Step 4: Simplify right side
    68,767.07x = 6,365,245,852.83
  5. Step 5: Solve for x
    x = 6,365,245,852.83/68,767.07
  6. Step 6: Final answer
    x = 92,562.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.