Home / 90,947.73-125,507.64-50,661.07

Finding the Fourth Proportional to 90,947.73, 125,507.64 and 50,661.07

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Solution

The fourth proportional to 90,947.73, 125,507.64 and 50,661.07 is: 69,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,947.73 : 125,507.64 = 50,661.07 : x
  2. Step 2: Convert to fraction form
    90,947.73/125,507.64 = 50,661.07/x
  3. Step 3: Cross multiply
    90,947.73x = 125,507.64 × 50,661.07
  4. Step 4: Simplify right side
    90,947.73x = 6,358,351,335.57
  5. Step 5: Solve for x
    x = 6,358,351,335.57/90,947.73
  6. Step 6: Final answer
    x = 69,912.15

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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.