Home / 89,361.48-123,313.96-49,080.52

Finding the Fourth Proportional to 89,361.48, 123,313.96 and 49,080.52

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Solution

The fourth proportional to 89,361.48, 123,313.96 and 49,080.52 is: 67,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,361.48 : 123,313.96 = 49,080.52 : x
  2. Step 2: Convert to fraction form
    89,361.48/123,313.96 = 49,080.52/x
  3. Step 3: Cross multiply
    89,361.48x = 123,313.96 × 49,080.52
  4. Step 4: Simplify right side
    89,361.48x = 6,052,313,280.06
  5. Step 5: Solve for x
    x = 6,052,313,280.06/89,361.48
  6. Step 6: Final answer
    x = 67,728.44

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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.