Home / 90,043.98-135,073.64-26,860.03

Finding the Fourth Proportional to 90,043.98, 135,073.64 and 26,860.03

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Solution

The fourth proportional to 90,043.98, 135,073.64 and 26,860.03 is: 40,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,043.98 : 135,073.64 = 26,860.03 : x
  2. Step 2: Convert to fraction form
    90,043.98/135,073.64 = 26,860.03/x
  3. Step 3: Cross multiply
    90,043.98x = 135,073.64 × 26,860.03
  4. Step 4: Simplify right side
    90,043.98x = 3,628,082,022.61
  5. Step 5: Solve for x
    x = 3,628,082,022.61/90,043.98
  6. Step 6: Final answer
    x = 40,292.33

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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.