Home / 89,915.60-124,074.68-49,626.76

Finding the Fourth Proportional to 89,915.60, 124,074.68 and 49,626.76

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Solution

The fourth proportional to 89,915.60, 124,074.68 and 49,626.76 is: 68,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,915.60 : 124,074.68 = 49,626.76 : x
  2. Step 2: Convert to fraction form
    89,915.60/124,074.68 = 49,626.76/x
  3. Step 3: Cross multiply
    89,915.60x = 124,074.68 × 49,626.76
  4. Step 4: Simplify right side
    89,915.60x = 6,157,424,366.44
  5. Step 5: Solve for x
    x = 6,157,424,366.44/89,915.60
  6. Step 6: Final answer
    x = 68,480.05

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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.