Home / 90,429.77-124,794.57-50,145.23

Finding the Fourth Proportional to 90,429.77, 124,794.57 and 50,145.23

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Solution

The fourth proportional to 90,429.77, 124,794.57 and 50,145.23 is: 69,201.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,429.77 : 124,794.57 = 50,145.23 : x
  2. Step 2: Convert to fraction form
    90,429.77/124,794.57 = 50,145.23/x
  3. Step 3: Cross multiply
    90,429.77x = 124,794.57 × 50,145.23
  4. Step 4: Simplify right side
    90,429.77x = 6,257,851,791.43
  5. Step 5: Solve for x
    x = 6,257,851,791.43/90,429.77
  6. Step 6: Final answer
    x = 69,201.24

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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.