Home / 90,203.93-124,480.19-49,915.24

Finding the Fourth Proportional to 90,203.93, 124,480.19 and 49,915.24

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Solution

The fourth proportional to 90,203.93, 124,480.19 and 49,915.24 is: 68,882.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,203.93 : 124,480.19 = 49,915.24 : x
  2. Step 2: Convert to fraction form
    90,203.93/124,480.19 = 49,915.24/x
  3. Step 3: Cross multiply
    90,203.93x = 124,480.19 × 49,915.24
  4. Step 4: Simplify right side
    90,203.93x = 6,213,458,372.68
  5. Step 5: Solve for x
    x = 6,213,458,372.68/90,203.93
  6. Step 6: Final answer
    x = 68,882.35

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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.