Home / 88,916.12-122,704.32-48,629.76

Finding the Fourth Proportional to 88,916.12, 122,704.32 and 48,629.76

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Solution

The fourth proportional to 88,916.12, 122,704.32 and 48,629.76 is: 67,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,916.12 : 122,704.32 = 48,629.76 : x
  2. Step 2: Convert to fraction form
    88,916.12/122,704.32 = 48,629.76/x
  3. Step 3: Cross multiply
    88,916.12x = 122,704.32 × 48,629.76
  4. Step 4: Simplify right side
    88,916.12x = 5,967,081,632.56
  5. Step 5: Solve for x
    x = 5,967,081,632.56/88,916.12
  6. Step 6: Final answer
    x = 67,109.11

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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.