Home / 68,756.31-103,144.35-26,077.44

Finding the Fourth Proportional to 68,756.31, 103,144.35 and 26,077.44

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Solution

The fourth proportional to 68,756.31, 103,144.35 and 26,077.44 is: 39,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,756.31 : 103,144.35 = 26,077.44 : x
  2. Step 2: Convert to fraction form
    68,756.31/103,144.35 = 26,077.44/x
  3. Step 3: Cross multiply
    68,756.31x = 103,144.35 × 26,077.44
  4. Step 4: Simplify right side
    68,756.31x = 2,689,740,598.46
  5. Step 5: Solve for x
    x = 2,689,740,598.46/68,756.31
  6. Step 6: Final answer
    x = 39,119.91

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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.