Home / 68,911.24-95,107.92-42,069.40

Finding the Fourth Proportional to 68,911.24, 95,107.92 and 42,069.40

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Solution

The fourth proportional to 68,911.24, 95,107.92 and 42,069.40 is: 58,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,911.24 : 95,107.92 = 42,069.40 : x
  2. Step 2: Convert to fraction form
    68,911.24/95,107.92 = 42,069.40/x
  3. Step 3: Cross multiply
    68,911.24x = 95,107.92 × 42,069.40
  4. Step 4: Simplify right side
    68,911.24x = 4,001,133,129.65
  5. Step 5: Solve for x
    x = 4,001,133,129.65/68,911.24
  6. Step 6: Final answer
    x = 58,062.13

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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.