Home / 56,767.76-78,341.94-31,617.24

Finding the Fourth Proportional to 56,767.76, 78,341.94 and 31,617.24

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Solution

The fourth proportional to 56,767.76, 78,341.94 and 31,617.24 is: 43,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,767.76 : 78,341.94 = 31,617.24 : x
  2. Step 2: Convert to fraction form
    56,767.76/78,341.94 = 31,617.24/x
  3. Step 3: Cross multiply
    56,767.76x = 78,341.94 × 31,617.24
  4. Step 4: Simplify right side
    56,767.76x = 2,476,955,919.05
  5. Step 5: Solve for x
    x = 2,476,955,919.05/56,767.76
  6. Step 6: Final answer
    x = 43,633.15

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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.