Home / 68,279.31-102,417.93-41,633.15

Finding the Fourth Proportional to 68,279.31, 102,417.93 and 41,633.15

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Solution

The fourth proportional to 68,279.31, 102,417.93 and 41,633.15 is: 62,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,279.31 : 102,417.93 = 41,633.15 : x
  2. Step 2: Convert to fraction form
    68,279.31/102,417.93 = 41,633.15/x
  3. Step 3: Cross multiply
    68,279.31x = 102,417.93 × 41,633.15
  4. Step 4: Simplify right side
    68,279.31x = 4,263,980,530.29
  5. Step 5: Solve for x
    x = 4,263,980,530.29/68,279.31
  6. Step 6: Final answer
    x = 62,449.09

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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.