Home / 68,366.10-102,549.15-41,985.30

Finding the Fourth Proportional to 68,366.10, 102,549.15 and 41,985.30

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Solution

The fourth proportional to 68,366.10, 102,549.15 and 41,985.30 is: 62,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,366.10 : 102,549.15 = 41,985.30 : x
  2. Step 2: Convert to fraction form
    68,366.10/102,549.15 = 41,985.30/x
  3. Step 3: Cross multiply
    68,366.10x = 102,549.15 × 41,985.30
  4. Step 4: Simplify right side
    68,366.10x = 4,305,556,827.50
  5. Step 5: Solve for x
    x = 4,305,556,827.50/68,366.10
  6. Step 6: Final answer
    x = 62,977.95

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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.