Home / 74,216.85-111,363.54-34,777.95

Finding the Fourth Proportional to 74,216.85, 111,363.54 and 34,777.95

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Solution

The fourth proportional to 74,216.85, 111,363.54 and 34,777.95 is: 52,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,216.85 : 111,363.54 = 34,777.95 : x
  2. Step 2: Convert to fraction form
    74,216.85/111,363.54 = 34,777.95/x
  3. Step 3: Cross multiply
    74,216.85x = 111,363.54 × 34,777.95
  4. Step 4: Simplify right side
    74,216.85x = 3,872,995,069.13
  5. Step 5: Solve for x
    x = 3,872,995,069.13/74,216.85
  6. Step 6: Final answer
    x = 52,184.85

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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.