Home / 90,517.14-124,915.92-50,232.60

Finding the Fourth Proportional to 90,517.14, 124,915.92 and 50,232.60

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Solution

The fourth proportional to 90,517.14, 124,915.92 and 50,232.60 is: 69,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,517.14 : 124,915.92 = 50,232.60 : x
  2. Step 2: Convert to fraction form
    90,517.14/124,915.92 = 50,232.60/x
  3. Step 3: Cross multiply
    90,517.14x = 124,915.92 × 50,232.60
  4. Step 4: Simplify right side
    90,517.14x = 6,274,851,442.99
  5. Step 5: Solve for x
    x = 6,274,851,442.99/90,517.14
  6. Step 6: Final answer
    x = 69,322.25

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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.