Home / 68,529.60-102,774.69-26,406.36

Finding the Fourth Proportional to 68,529.60, 102,774.69 and 26,406.36

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Solution

The fourth proportional to 68,529.60, 102,774.69 and 26,406.36 is: 39,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,529.60 : 102,774.69 = 26,406.36 : x
  2. Step 2: Convert to fraction form
    68,529.60/102,774.69 = 26,406.36/x
  3. Step 3: Cross multiply
    68,529.60x = 102,774.69 × 26,406.36
  4. Step 4: Simplify right side
    68,529.60x = 2,713,905,463.03
  5. Step 5: Solve for x
    x = 2,713,905,463.03/68,529.60
  6. Step 6: Final answer
    x = 39,601.95

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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.