Home / 68,611.41-102,868.52-26,455.77

Finding the Fourth Proportional to 68,611.41, 102,868.52 and 26,455.77

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Solution

The fourth proportional to 68,611.41, 102,868.52 and 26,455.77 is: 39,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,611.41 : 102,868.52 = 26,455.77 : x
  2. Step 2: Convert to fraction form
    68,611.41/102,868.52 = 26,455.77/x
  3. Step 3: Cross multiply
    68,611.41x = 102,868.52 × 26,455.77
  4. Step 4: Simplify right side
    68,611.41x = 2,721,465,773.08
  5. Step 5: Solve for x
    x = 2,721,465,773.08/68,611.41
  6. Step 6: Final answer
    x = 39,664.92

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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.