Home / 90,722.97-125,202.15-50,435.87

Finding the Fourth Proportional to 90,722.97, 125,202.15 and 50,435.87

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Solution

The fourth proportional to 90,722.97, 125,202.15 and 50,435.87 is: 69,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722.97 : 125,202.15 = 50,435.87 : x
  2. Step 2: Convert to fraction form
    90,722.97/125,202.15 = 50,435.87/x
  3. Step 3: Cross multiply
    90,722.97x = 125,202.15 × 50,435.87
  4. Step 4: Simplify right side
    90,722.97x = 6,314,678,735.11
  5. Step 5: Solve for x
    x = 6,314,678,735.11/90,722.97
  6. Step 6: Final answer
    x = 69,603.97

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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.