Home / 90,907.66-125,452.71-50,629.18

Finding the Fourth Proportional to 90,907.66, 125,452.71 and 50,629.18

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Solution

The fourth proportional to 90,907.66, 125,452.71 and 50,629.18 is: 69,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,907.66 : 125,452.71 = 50,629.18 : x
  2. Step 2: Convert to fraction form
    90,907.66/125,452.71 = 50,629.18/x
  3. Step 3: Cross multiply
    90,907.66x = 125,452.71 × 50,629.18
  4. Step 4: Simplify right side
    90,907.66x = 6,351,567,836.08
  5. Step 5: Solve for x
    x = 6,351,567,836.08/90,907.66
  6. Step 6: Final answer
    x = 69,868.35

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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.