Home / 90,314.82-124,637.97-50,027.78

Finding the Fourth Proportional to 90,314.82, 124,637.97 and 50,027.78

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Solution

The fourth proportional to 90,314.82, 124,637.97 and 50,027.78 is: 69,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,314.82 : 124,637.97 = 50,027.78 : x
  2. Step 2: Convert to fraction form
    90,314.82/124,637.97 = 50,027.78/x
  3. Step 3: Cross multiply
    90,314.82x = 124,637.97 × 50,027.78
  4. Step 4: Simplify right side
    90,314.82x = 6,235,360,318.81
  5. Step 5: Solve for x
    x = 6,235,360,318.81/90,314.82
  6. Step 6: Final answer
    x = 69,040.28

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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.