Home / 54,107.16-74,583.90-53,057.40

Finding the Fourth Proportional to 54,107.16, 74,583.90 and 53,057.40

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Solution

The fourth proportional to 54,107.16, 74,583.90 and 53,057.40 is: 73,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.16 : 74,583.90 = 53,057.40 : x
  2. Step 2: Convert to fraction form
    54,107.16/74,583.90 = 53,057.40/x
  3. Step 3: Cross multiply
    54,107.16x = 74,583.90 × 53,057.40
  4. Step 4: Simplify right side
    54,107.16x = 3,957,227,815.86
  5. Step 5: Solve for x
    x = 3,957,227,815.86/54,107.16
  6. Step 6: Final answer
    x = 73,136.86

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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.