Home / 55,087.54-76,020.78-29,937.04

Finding the Fourth Proportional to 55,087.54, 76,020.78 and 29,937.04

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Solution

The fourth proportional to 55,087.54, 76,020.78 and 29,937.04 is: 41,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.54 : 76,020.78 = 29,937.04 : x
  2. Step 2: Convert to fraction form
    55,087.54/76,020.78 = 29,937.04/x
  3. Step 3: Cross multiply
    55,087.54x = 76,020.78 × 29,937.04
  4. Step 4: Simplify right side
    55,087.54x = 2,275,837,131.69
  5. Step 5: Solve for x
    x = 2,275,837,131.69/55,087.54
  6. Step 6: Final answer
    x = 41,313.10

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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.