Home / 91,112.66-125,735.49-50,826.29

Finding the Fourth Proportional to 91,112.66, 125,735.49 and 50,826.29

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Solution

The fourth proportional to 91,112.66, 125,735.49 and 50,826.29 is: 70,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,112.66 : 125,735.49 = 50,826.29 : x
  2. Step 2: Convert to fraction form
    91,112.66/125,735.49 = 50,826.29/x
  3. Step 3: Cross multiply
    91,112.66x = 125,735.49 × 50,826.29
  4. Step 4: Simplify right side
    91,112.66x = 6,390,667,849.35
  5. Step 5: Solve for x
    x = 6,390,667,849.35/91,112.66
  6. Step 6: Final answer
    x = 70,140.29

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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.