Home / 68,113.24-102,182.82-26,557.72

Finding the Fourth Proportional to 68,113.24, 102,182.82 and 26,557.72

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Solution

The fourth proportional to 68,113.24, 102,182.82 and 26,557.72 is: 39,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,113.24 : 102,182.82 = 26,557.72 : x
  2. Step 2: Convert to fraction form
    68,113.24/102,182.82 = 26,557.72/x
  3. Step 3: Cross multiply
    68,113.24x = 102,182.82 × 26,557.72
  4. Step 4: Simplify right side
    68,113.24x = 2,713,742,722.37
  5. Step 5: Solve for x
    x = 2,713,742,722.37/68,113.24
  6. Step 6: Final answer
    x = 39,841.63

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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.