Home / 77,348.15-116,005.51-27,429.87

Finding the Fourth Proportional to 77,348.15, 116,005.51 and 27,429.87

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Solution

The fourth proportional to 77,348.15, 116,005.51 and 27,429.87 is: 41,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,348.15 : 116,005.51 = 27,429.87 : x
  2. Step 2: Convert to fraction form
    77,348.15/116,005.51 = 27,429.87/x
  3. Step 3: Cross multiply
    77,348.15x = 116,005.51 × 27,429.87
  4. Step 4: Simplify right side
    77,348.15x = 3,182,016,058.58
  5. Step 5: Solve for x
    x = 3,182,016,058.58/77,348.15
  6. Step 6: Final answer
    x = 41,138.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.