Home / 90,907.70-125,454.66-50,625.22

Finding the Fourth Proportional to 90,907.70, 125,454.66 and 50,625.22

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Solution

The fourth proportional to 90,907.70, 125,454.66 and 50,625.22 is: 69,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,907.70 : 125,454.66 = 50,625.22 : x
  2. Step 2: Convert to fraction form
    90,907.70/125,454.66 = 50,625.22/x
  3. Step 3: Cross multiply
    90,907.70x = 125,454.66 × 50,625.22
  4. Step 4: Simplify right side
    90,907.70x = 6,351,168,882.13
  5. Step 5: Solve for x
    x = 6,351,168,882.13/90,907.70
  6. Step 6: Final answer
    x = 69,863.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.