Home / 84,309.32-116,371.14-55,649.92

Finding the Fourth Proportional to 84,309.32, 116,371.14 and 55,649.92

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Solution

The fourth proportional to 84,309.32, 116,371.14 and 55,649.92 is: 76,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,309.32 : 116,371.14 = 55,649.92 : x
  2. Step 2: Convert to fraction form
    84,309.32/116,371.14 = 55,649.92/x
  3. Step 3: Cross multiply
    84,309.32x = 116,371.14 × 55,649.92
  4. Step 4: Simplify right side
    84,309.32x = 6,476,044,631.31
  5. Step 5: Solve for x
    x = 6,476,044,631.31/84,309.32
  6. Step 6: Final answer
    x = 76,812.92

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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.