Home / 54,131.36-74,698.23-29,930.91

Finding the Fourth Proportional to 54,131.36, 74,698.23 and 29,930.91

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Solution

The fourth proportional to 54,131.36, 74,698.23 and 29,930.91 is: 41,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.36 : 74,698.23 = 29,930.91 : x
  2. Step 2: Convert to fraction form
    54,131.36/74,698.23 = 29,930.91/x
  3. Step 3: Cross multiply
    54,131.36x = 74,698.23 × 29,930.91
  4. Step 4: Simplify right side
    54,131.36x = 2,235,785,999.29
  5. Step 5: Solve for x
    x = 2,235,785,999.29/54,131.36
  6. Step 6: Final answer
    x = 41,302.97

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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.