Home / 90,426.09-124,791.09-50,137.50

Finding the Fourth Proportional to 90,426.09, 124,791.09 and 50,137.50

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Solution

The fourth proportional to 90,426.09, 124,791.09 and 50,137.50 is: 69,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,426.09 : 124,791.09 = 50,137.50 : x
  2. Step 2: Convert to fraction form
    90,426.09/124,791.09 = 50,137.50/x
  3. Step 3: Cross multiply
    90,426.09x = 124,791.09 × 50,137.50
  4. Step 4: Simplify right side
    90,426.09x = 6,256,713,274.88
  5. Step 5: Solve for x
    x = 6,256,713,274.88/90,426.09
  6. Step 6: Final answer
    x = 69,191.46

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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.