Home / 90,283.56-124,551.99-54,453.66

Finding the Fourth Proportional to 90,283.56, 124,551.99 and 54,453.66

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Solution

The fourth proportional to 90,283.56, 124,551.99 and 54,453.66 is: 75,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,283.56 : 124,551.99 = 54,453.66 : x
  2. Step 2: Convert to fraction form
    90,283.56/124,551.99 = 54,453.66/x
  3. Step 3: Cross multiply
    90,283.56x = 124,551.99 × 54,453.66
  4. Step 4: Simplify right side
    90,283.56x = 6,782,311,715.78
  5. Step 5: Solve for x
    x = 6,782,311,715.78/90,283.56
  6. Step 6: Final answer
    x = 75,122.33

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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.