Home / 88,915.45-122,705.74-48,631.59

Finding the Fourth Proportional to 88,915.45, 122,705.74 and 48,631.59

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Solution

The fourth proportional to 88,915.45, 122,705.74 and 48,631.59 is: 67,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,915.45 : 122,705.74 = 48,631.59 : x
  2. Step 2: Convert to fraction form
    88,915.45/122,705.74 = 48,631.59/x
  3. Step 3: Cross multiply
    88,915.45x = 122,705.74 × 48,631.59
  4. Step 4: Simplify right side
    88,915.45x = 5,967,375,025.56
  5. Step 5: Solve for x
    x = 5,967,375,025.56/88,915.45
  6. Step 6: Final answer
    x = 67,112.92

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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.