Home / 90,896.58-136,366.94-28,567.08

Finding the Fourth Proportional to 90,896.58, 136,366.94 and 28,567.08

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Solution

The fourth proportional to 90,896.58, 136,366.94 and 28,567.08 is: 42,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,896.58 : 136,366.94 = 28,567.08 : x
  2. Step 2: Convert to fraction form
    90,896.58/136,366.94 = 28,567.08/x
  3. Step 3: Cross multiply
    90,896.58x = 136,366.94 × 28,567.08
  4. Step 4: Simplify right side
    90,896.58x = 3,895,605,355.75
  5. Step 5: Solve for x
    x = 3,895,605,355.75/90,896.58
  6. Step 6: Final answer
    x = 42,857.56

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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.