Home / 90,506.75-135,782.06-27,323.10

Finding the Fourth Proportional to 90,506.75, 135,782.06 and 27,323.10

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Solution

The fourth proportional to 90,506.75, 135,782.06 and 27,323.10 is: 40,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,506.75 : 135,782.06 = 27,323.10 : x
  2. Step 2: Convert to fraction form
    90,506.75/135,782.06 = 27,323.10/x
  3. Step 3: Cross multiply
    90,506.75x = 135,782.06 × 27,323.10
  4. Step 4: Simplify right side
    90,506.75x = 3,709,986,666.97
  5. Step 5: Solve for x
    x = 3,709,986,666.97/90,506.75
  6. Step 6: Final answer
    x = 40,991.27

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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.