Home / 89,566.48-123,550.41-55,974.16

Finding the Fourth Proportional to 89,566.48, 123,550.41 and 55,974.16

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Solution

The fourth proportional to 89,566.48, 123,550.41 and 55,974.16 is: 77,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,566.48 : 123,550.41 = 55,974.16 : x
  2. Step 2: Convert to fraction form
    89,566.48/123,550.41 = 55,974.16/x
  3. Step 3: Cross multiply
    89,566.48x = 123,550.41 × 55,974.16
  4. Step 4: Simplify right side
    89,566.48x = 6,915,631,129.23
  5. Step 5: Solve for x
    x = 6,915,631,129.23/89,566.48
  6. Step 6: Final answer
    x = 77,212.27

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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.