Home / 89,480.72-123,483.64-49,198.60

Finding the Fourth Proportional to 89,480.72, 123,483.64 and 49,198.60

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Solution

The fourth proportional to 89,480.72, 123,483.64 and 49,198.60 is: 67,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,480.72 : 123,483.64 = 49,198.60 : x
  2. Step 2: Convert to fraction form
    89,480.72/123,483.64 = 49,198.60/x
  3. Step 3: Cross multiply
    89,480.72x = 123,483.64 × 49,198.60
  4. Step 4: Simplify right side
    89,480.72x = 6,075,222,210.90
  5. Step 5: Solve for x
    x = 6,075,222,210.90/89,480.72
  6. Step 6: Final answer
    x = 67,894.20

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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.