Home / 90,235.80-135,358.14-23,676.06

Finding the Fourth Proportional to 90,235.80, 135,358.14 and 23,676.06

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Solution

The fourth proportional to 90,235.80, 135,358.14 and 23,676.06 is: 35,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,235.80 : 135,358.14 = 23,676.06 : x
  2. Step 2: Convert to fraction form
    90,235.80/135,358.14 = 23,676.06/x
  3. Step 3: Cross multiply
    90,235.80x = 135,358.14 × 23,676.06
  4. Step 4: Simplify right side
    90,235.80x = 3,204,747,444.13
  5. Step 5: Solve for x
    x = 3,204,747,444.13/90,235.80
  6. Step 6: Final answer
    x = 35,515.25

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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.