Home / 54,116.99-74,681.22-30,243.65

Finding the Fourth Proportional to 54,116.99, 74,681.22 and 30,243.65

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Solution

The fourth proportional to 54,116.99, 74,681.22 and 30,243.65 is: 41,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,116.99 : 74,681.22 = 30,243.65 : x
  2. Step 2: Convert to fraction form
    54,116.99/74,681.22 = 30,243.65/x
  3. Step 3: Cross multiply
    54,116.99x = 74,681.22 × 30,243.65
  4. Step 4: Simplify right side
    54,116.99x = 2,258,632,679.25
  5. Step 5: Solve for x
    x = 2,258,632,679.25/54,116.99
  6. Step 6: Final answer
    x = 41,736.11

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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.