Home / 88,925.57-122,715.55-48,639.21

Finding the Fourth Proportional to 88,925.57, 122,715.55 and 48,639.21

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Solution

The fourth proportional to 88,925.57, 122,715.55 and 48,639.21 is: 67,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,925.57 : 122,715.55 = 48,639.21 : x
  2. Step 2: Convert to fraction form
    88,925.57/122,715.55 = 48,639.21/x
  3. Step 3: Cross multiply
    88,925.57x = 122,715.55 × 48,639.21
  4. Step 4: Simplify right side
    88,925.57x = 5,968,787,406.72
  5. Step 5: Solve for x
    x = 5,968,787,406.72/88,925.57
  6. Step 6: Final answer
    x = 67,121.16

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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.