Home / 54,243.38-74,855.06-30,042.04

Finding the Fourth Proportional to 54,243.38, 74,855.06 and 30,042.04

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Solution

The fourth proportional to 54,243.38, 74,855.06 and 30,042.04 is: 41,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.38 : 74,855.06 = 30,042.04 : x
  2. Step 2: Convert to fraction form
    54,243.38/74,855.06 = 30,042.04/x
  3. Step 3: Cross multiply
    54,243.38x = 74,855.06 × 30,042.04
  4. Step 4: Simplify right side
    54,243.38x = 2,248,798,706.72
  5. Step 5: Solve for x
    x = 2,248,798,706.72/54,243.38
  6. Step 6: Final answer
    x = 41,457.57

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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.