Home / 89,810.02-123,935.43-49,523.09

Finding the Fourth Proportional to 89,810.02, 123,935.43 and 49,523.09

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Solution

The fourth proportional to 89,810.02, 123,935.43 and 49,523.09 is: 68,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,810.02 : 123,935.43 = 49,523.09 : x
  2. Step 2: Convert to fraction form
    89,810.02/123,935.43 = 49,523.09/x
  3. Step 3: Cross multiply
    89,810.02x = 123,935.43 × 49,523.09
  4. Step 4: Simplify right side
    89,810.02x = 6,137,665,020.11
  5. Step 5: Solve for x
    x = 6,137,665,020.11/89,810.02
  6. Step 6: Final answer
    x = 68,340.54

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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.