Home / 89,024.75-122,854.16-49,280.75

Finding the Fourth Proportional to 89,024.75, 122,854.16 and 49,280.75

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Solution

The fourth proportional to 89,024.75, 122,854.16 and 49,280.75 is: 68,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,024.75 : 122,854.16 = 49,280.75 : x
  2. Step 2: Convert to fraction form
    89,024.75/122,854.16 = 49,280.75/x
  3. Step 3: Cross multiply
    89,024.75x = 122,854.16 × 49,280.75
  4. Step 4: Simplify right side
    89,024.75x = 6,054,345,145.42
  5. Step 5: Solve for x
    x = 6,054,345,145.42/89,024.75
  6. Step 6: Final answer
    x = 68,007.44

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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.