Home / 91,227.36-136,858.32-28,907.04

Finding the Fourth Proportional to 91,227.36, 136,858.32 and 28,907.04

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Solution

The fourth proportional to 91,227.36, 136,858.32 and 28,907.04 is: 43,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,227.36 : 136,858.32 = 28,907.04 : x
  2. Step 2: Convert to fraction form
    91,227.36/136,858.32 = 28,907.04/x
  3. Step 3: Cross multiply
    91,227.36x = 136,858.32 × 28,907.04
  4. Step 4: Simplify right side
    91,227.36x = 3,956,168,930.57
  5. Step 5: Solve for x
    x = 3,956,168,930.57/91,227.36
  6. Step 6: Final answer
    x = 43,366.04

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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.