Home / 55,899.09-77,133.73-37,789.21

Finding the Fourth Proportional to 55,899.09, 77,133.73 and 37,789.21

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Solution

The fourth proportional to 55,899.09, 77,133.73 and 37,789.21 is: 52,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,899.09 : 77,133.73 = 37,789.21 : x
  2. Step 2: Convert to fraction form
    55,899.09/77,133.73 = 37,789.21/x
  3. Step 3: Cross multiply
    55,899.09x = 77,133.73 × 37,789.21
  4. Step 4: Simplify right side
    55,899.09x = 2,914,822,721.05
  5. Step 5: Solve for x
    x = 2,914,822,721.05/55,899.09
  6. Step 6: Final answer
    x = 52,144.37

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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.