Home / 68,035.20-93,890.40-41,172

Finding the Fourth Proportional to 68,035.20, 93,890.40 and 41,172

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Solution

The fourth proportional to 68,035.20, 93,890.40 and 41,172 is: 56,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,035.20 : 93,890.40 = 41,172 : x
  2. Step 2: Convert to fraction form
    68,035.20/93,890.40 = 41,172/x
  3. Step 3: Cross multiply
    68,035.20x = 93,890.40 × 41,172
  4. Step 4: Simplify right side
    68,035.20x = 3,865,655,548.80
  5. Step 5: Solve for x
    x = 3,865,655,548.80/68,035.20
  6. Step 6: Final answer
    x = 56,818.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.