Home / 56,972.92-78,637.94-32,776.65

Finding the Fourth Proportional to 56,972.92, 78,637.94 and 32,776.65

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Solution

The fourth proportional to 56,972.92, 78,637.94 and 32,776.65 is: 45,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,972.92 : 78,637.94 = 32,776.65 : x
  2. Step 2: Convert to fraction form
    56,972.92/78,637.94 = 32,776.65/x
  3. Step 3: Cross multiply
    56,972.92x = 78,637.94 × 32,776.65
  4. Step 4: Simplify right side
    56,972.92x = 2,577,488,195.13
  5. Step 5: Solve for x
    x = 2,577,488,195.13/56,972.92
  6. Step 6: Final answer
    x = 45,240.58

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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.