Home / 68,977.17-103,596.96-42,864.39

Finding the Fourth Proportional to 68,977.17, 103,596.96 and 42,864.39

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Solution

The fourth proportional to 68,977.17, 103,596.96 and 42,864.39 is: 64,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,977.17 : 103,596.96 = 42,864.39 : x
  2. Step 2: Convert to fraction form
    68,977.17/103,596.96 = 42,864.39/x
  3. Step 3: Cross multiply
    68,977.17x = 103,596.96 × 42,864.39
  4. Step 4: Simplify right side
    68,977.17x = 4,440,620,496.25
  5. Step 5: Solve for x
    x = 4,440,620,496.25/68,977.17
  6. Step 6: Final answer
    x = 64,378.12

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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.