Home / 90,600.39-125,034.12-50,314.41

Finding the Fourth Proportional to 90,600.39, 125,034.12 and 50,314.41

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Solution

The fourth proportional to 90,600.39, 125,034.12 and 50,314.41 is: 69,436.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,600.39 : 125,034.12 = 50,314.41 : x
  2. Step 2: Convert to fraction form
    90,600.39/125,034.12 = 50,314.41/x
  3. Step 3: Cross multiply
    90,600.39x = 125,034.12 × 50,314.41
  4. Step 4: Simplify right side
    90,600.39x = 6,291,017,977.67
  5. Step 5: Solve for x
    x = 6,291,017,977.67/90,600.39
  6. Step 6: Final answer
    x = 69,436.99

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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.