Home / 89,915.48-124,074.52-49,626.64

Finding the Fourth Proportional to 89,915.48, 124,074.52 and 49,626.64

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Solution

The fourth proportional to 89,915.48, 124,074.52 and 49,626.64 is: 68,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,915.48 : 124,074.52 = 49,626.64 : x
  2. Step 2: Convert to fraction form
    89,915.48/124,074.52 = 49,626.64/x
  3. Step 3: Cross multiply
    89,915.48x = 124,074.52 × 49,626.64
  4. Step 4: Simplify right side
    89,915.48x = 6,157,401,289.08
  5. Step 5: Solve for x
    x = 6,157,401,289.08/89,915.48
  6. Step 6: Final answer
    x = 68,479.88

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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.