Home / 54,812.10-75,637.14-30,935.52

Finding the Fourth Proportional to 54,812.10, 75,637.14 and 30,935.52

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Solution

The fourth proportional to 54,812.10, 75,637.14 and 30,935.52 is: 42,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,812.10 : 75,637.14 = 30,935.52 : x
  2. Step 2: Convert to fraction form
    54,812.10/75,637.14 = 30,935.52/x
  3. Step 3: Cross multiply
    54,812.10x = 75,637.14 × 30,935.52
  4. Step 4: Simplify right side
    54,812.10x = 2,339,874,257.21
  5. Step 5: Solve for x
    x = 2,339,874,257.21/54,812.10
  6. Step 6: Final answer
    x = 42,689.01

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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.