Home / 54,145.10-74,743.27-32,931.18

Finding the Fourth Proportional to 54,145.10, 74,743.27 and 32,931.18

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Solution

The fourth proportional to 54,145.10, 74,743.27 and 32,931.18 is: 45,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145.10 : 74,743.27 = 32,931.18 : x
  2. Step 2: Convert to fraction form
    54,145.10/74,743.27 = 32,931.18/x
  3. Step 3: Cross multiply
    54,145.10x = 74,743.27 × 32,931.18
  4. Step 4: Simplify right side
    54,145.10x = 2,461,384,078.16
  5. Step 5: Solve for x
    x = 2,461,384,078.16/54,145.10
  6. Step 6: Final answer
    x = 45,459.04

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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.