Home / 90,425-124,788.02-50,140.44

Finding the Fourth Proportional to 90,425, 124,788.02 and 50,140.44

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Solution

The fourth proportional to 90,425, 124,788.02 and 50,140.44 is: 69,194.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,425 : 124,788.02 = 50,140.44 : x
  2. Step 2: Convert to fraction form
    90,425/124,788.02 = 50,140.44/x
  3. Step 3: Cross multiply
    90,425x = 124,788.02 × 50,140.44
  4. Step 4: Simplify right side
    90,425x = 6,256,926,229.53
  5. Step 5: Solve for x
    x = 6,256,926,229.53/90,425
  6. Step 6: Final answer
    x = 69,194.65

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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.