Home / 90,427.63-124,791.63-50,143.09

Finding the Fourth Proportional to 90,427.63, 124,791.63 and 50,143.09

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Solution

The fourth proportional to 90,427.63, 124,791.63 and 50,143.09 is: 69,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,427.63 : 124,791.63 = 50,143.09 : x
  2. Step 2: Convert to fraction form
    90,427.63/124,791.63 = 50,143.09/x
  3. Step 3: Cross multiply
    90,427.63x = 124,791.63 × 50,143.09
  4. Step 4: Simplify right side
    90,427.63x = 6,257,437,934.34
  5. Step 5: Solve for x
    x = 6,257,437,934.34/90,427.63
  6. Step 6: Final answer
    x = 69,198.30

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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.