Home / 89,362.90-123,321.66-49,077.50

Finding the Fourth Proportional to 89,362.90, 123,321.66 and 49,077.50

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Solution

The fourth proportional to 89,362.90, 123,321.66 and 49,077.50 is: 67,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,362.90 : 123,321.66 = 49,077.50 : x
  2. Step 2: Convert to fraction form
    89,362.90/123,321.66 = 49,077.50/x
  3. Step 3: Cross multiply
    89,362.90x = 123,321.66 × 49,077.50
  4. Step 4: Simplify right side
    89,362.90x = 6,052,318,523.26
  5. Step 5: Solve for x
    x = 6,052,318,523.26/89,362.90
  6. Step 6: Final answer
    x = 67,727.42

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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.