Home / 54,102.06-81,153.09-35,499.80

Finding the Fourth Proportional to 54,102.06, 81,153.09 and 35,499.80

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Solution

The fourth proportional to 54,102.06, 81,153.09 and 35,499.80 is: 53,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,102.06 : 81,153.09 = 35,499.80 : x
  2. Step 2: Convert to fraction form
    54,102.06/81,153.09 = 35,499.80/x
  3. Step 3: Cross multiply
    54,102.06x = 81,153.09 × 35,499.80
  4. Step 4: Simplify right side
    54,102.06x = 2,880,918,667.26
  5. Step 5: Solve for x
    x = 2,880,918,667.26/54,102.06
  6. Step 6: Final answer
    x = 53,249.70

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1.5x scale

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.