Home / 54,117.54-74,679.44-30,239.55

Finding the Fourth Proportional to 54,117.54, 74,679.44 and 30,239.55

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Solution

The fourth proportional to 54,117.54, 74,679.44 and 30,239.55 is: 41,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117.54 : 74,679.44 = 30,239.55 : x
  2. Step 2: Convert to fraction form
    54,117.54/74,679.44 = 30,239.55/x
  3. Step 3: Cross multiply
    54,117.54x = 74,679.44 × 30,239.55
  4. Step 4: Simplify right side
    54,117.54x = 2,258,272,508.65
  5. Step 5: Solve for x
    x = 2,258,272,508.65/54,117.54
  6. Step 6: Final answer
    x = 41,729.03

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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.