Home / 68,870.45-103,342.58-63,851.29

Finding the Fourth Proportional to 68,870.45, 103,342.58 and 63,851.29

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Solution

The fourth proportional to 68,870.45, 103,342.58 and 63,851.29 is: 95,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,870.45 : 103,342.58 = 63,851.29 : x
  2. Step 2: Convert to fraction form
    68,870.45/103,342.58 = 63,851.29/x
  3. Step 3: Cross multiply
    68,870.45x = 103,342.58 × 63,851.29
  4. Step 4: Simplify right side
    68,870.45x = 6,598,557,065.92
  5. Step 5: Solve for x
    x = 6,598,557,065.92/68,870.45
  6. Step 6: Final answer
    x = 95,811.15

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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.