Home / 54,115.67-74,679.41-30,242.34

Finding the Fourth Proportional to 54,115.67, 74,679.41 and 30,242.34

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Solution

The fourth proportional to 54,115.67, 74,679.41 and 30,242.34 is: 41,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.67 : 74,679.41 = 30,242.34 : x
  2. Step 2: Convert to fraction form
    54,115.67/74,679.41 = 30,242.34/x
  3. Step 3: Cross multiply
    54,115.67x = 74,679.41 × 30,242.34
  4. Step 4: Simplify right side
    54,115.67x = 2,258,479,957.01
  5. Step 5: Solve for x
    x = 2,258,479,957.01/54,115.67
  6. Step 6: Final answer
    x = 41,734.31

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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.