Home / 75,684.24-113,538.78-61,767.36

Finding the Fourth Proportional to 75,684.24, 113,538.78 and 61,767.36

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Solution

The fourth proportional to 75,684.24, 113,538.78 and 61,767.36 is: 92,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,684.24 : 113,538.78 = 61,767.36 : x
  2. Step 2: Convert to fraction form
    75,684.24/113,538.78 = 61,767.36/x
  3. Step 3: Cross multiply
    75,684.24x = 113,538.78 × 61,767.36
  4. Step 4: Simplify right side
    75,684.24x = 7,012,990,698.22
  5. Step 5: Solve for x
    x = 7,012,990,698.22/75,684.24
  6. Step 6: Final answer
    x = 92,661.18

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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.