Home / 54,541.12-75,400.88-54,042.16

Finding the Fourth Proportional to 54,541.12, 75,400.88 and 54,042.16

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Solution

The fourth proportional to 54,541.12, 75,400.88 and 54,042.16 is: 74,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.12 : 75,400.88 = 54,042.16 : x
  2. Step 2: Convert to fraction form
    54,541.12/75,400.88 = 54,042.16/x
  3. Step 3: Cross multiply
    54,541.12x = 75,400.88 × 54,042.16
  4. Step 4: Simplify right side
    54,541.12x = 4,074,826,421.10
  5. Step 5: Solve for x
    x = 4,074,826,421.10/54,541.12
  6. Step 6: Final answer
    x = 74,711.09

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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.