Home / 90,741.09-125,224.88-50,456.55

Finding the Fourth Proportional to 90,741.09, 125,224.88 and 50,456.55

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Solution

The fourth proportional to 90,741.09, 125,224.88 and 50,456.55 is: 69,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,741.09 : 125,224.88 = 50,456.55 : x
  2. Step 2: Convert to fraction form
    90,741.09/125,224.88 = 50,456.55/x
  3. Step 3: Cross multiply
    90,741.09x = 125,224.88 × 50,456.55
  4. Step 4: Simplify right side
    90,741.09x = 6,318,415,166.68
  5. Step 5: Solve for x
    x = 6,318,415,166.68/90,741.09
  6. Step 6: Final answer
    x = 69,631.25

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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.