Home / 89,187.08-123,083.70-49,443.08

Finding the Fourth Proportional to 89,187.08, 123,083.70 and 49,443.08

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Solution

The fourth proportional to 89,187.08, 123,083.70 and 49,443.08 is: 68,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,187.08 : 123,083.70 = 49,443.08 : x
  2. Step 2: Convert to fraction form
    89,187.08/123,083.70 = 49,443.08/x
  3. Step 3: Cross multiply
    89,187.08x = 123,083.70 × 49,443.08
  4. Step 4: Simplify right side
    89,187.08x = 6,085,637,225.80
  5. Step 5: Solve for x
    x = 6,085,637,225.80/89,187.08
  6. Step 6: Final answer
    x = 68,234.52

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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.