Home / 90,720.94-136,066.05-27,525.82

Finding the Fourth Proportional to 90,720.94, 136,066.05 and 27,525.82

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Solution

The fourth proportional to 90,720.94, 136,066.05 and 27,525.82 is: 41,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,720.94 : 136,066.05 = 27,525.82 : x
  2. Step 2: Convert to fraction form
    90,720.94/136,066.05 = 27,525.82/x
  3. Step 3: Cross multiply
    90,720.94x = 136,066.05 × 27,525.82
  4. Step 4: Simplify right side
    90,720.94x = 3,745,329,600.41
  5. Step 5: Solve for x
    x = 3,745,329,600.41/90,720.94
  6. Step 6: Final answer
    x = 41,284.07

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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.