Home / 75,766.95-113,504.94-42,385.86

Finding the Fourth Proportional to 75,766.95, 113,504.94 and 42,385.86

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Solution

The fourth proportional to 75,766.95, 113,504.94 and 42,385.86 is: 63,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,766.95 : 113,504.94 = 42,385.86 : x
  2. Step 2: Convert to fraction form
    75,766.95/113,504.94 = 42,385.86/x
  3. Step 3: Cross multiply
    75,766.95x = 113,504.94 × 42,385.86
  4. Step 4: Simplify right side
    75,766.95x = 4,811,004,496.15
  5. Step 5: Solve for x
    x = 4,811,004,496.15/75,766.95
  6. Step 6: Final answer
    x = 63,497.40

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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.