Home / 90,563.36-124,971.82-50,274.76

Finding the Fourth Proportional to 90,563.36, 124,971.82 and 50,274.76

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Solution

The fourth proportional to 90,563.36, 124,971.82 and 50,274.76 is: 69,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,563.36 : 124,971.82 = 50,274.76 : x
  2. Step 2: Convert to fraction form
    90,563.36/124,971.82 = 50,274.76/x
  3. Step 3: Cross multiply
    90,563.36x = 124,971.82 × 50,274.76
  4. Step 4: Simplify right side
    90,563.36x = 6,282,928,257.26
  5. Step 5: Solve for x
    x = 6,282,928,257.26/90,563.36
  6. Step 6: Final answer
    x = 69,376.05

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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.