Home / 54,111.24-74,669.04-31,450.68

Finding the Fourth Proportional to 54,111.24, 74,669.04 and 31,450.68

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Solution

The fourth proportional to 54,111.24, 74,669.04 and 31,450.68 is: 43,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,111.24 : 74,669.04 = 31,450.68 : x
  2. Step 2: Convert to fraction form
    54,111.24/74,669.04 = 31,450.68/x
  3. Step 3: Cross multiply
    54,111.24x = 74,669.04 × 31,450.68
  4. Step 4: Simplify right side
    54,111.24x = 2,348,392,082.95
  5. Step 5: Solve for x
    x = 2,348,392,082.95/54,111.24
  6. Step 6: Final answer
    x = 43,399.34

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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.