Home / 67,778.17-93,511.47-40,910.47

Finding the Fourth Proportional to 67,778.17, 93,511.47 and 40,910.47

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Solution

The fourth proportional to 67,778.17, 93,511.47 and 40,910.47 is: 56,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,778.17 : 93,511.47 = 40,910.47 : x
  2. Step 2: Convert to fraction form
    67,778.17/93,511.47 = 40,910.47/x
  3. Step 3: Cross multiply
    67,778.17x = 93,511.47 × 40,910.47
  4. Step 4: Simplify right side
    67,778.17x = 3,825,598,188.09
  5. Step 5: Solve for x
    x = 3,825,598,188.09/67,778.17
  6. Step 6: Final answer
    x = 56,442.93

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1.5x scale

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.