Home / 90,205.53-124,481.75-49,916.88

Finding the Fourth Proportional to 90,205.53, 124,481.75 and 49,916.88

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Solution

The fourth proportional to 90,205.53, 124,481.75 and 49,916.88 is: 68,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,205.53 : 124,481.75 = 49,916.88 : x
  2. Step 2: Convert to fraction form
    90,205.53/124,481.75 = 49,916.88/x
  3. Step 3: Cross multiply
    90,205.53x = 124,481.75 × 49,916.88
  4. Step 4: Simplify right side
    90,205.53x = 6,213,740,327.36
  5. Step 5: Solve for x
    x = 6,213,740,327.36/90,205.53
  6. Step 6: Final answer
    x = 68,884.25

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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.