Home / 107,119.97-147,830.40-61,183.64

Finding the Fourth Proportional to 107,119.97, 147,830.40 and 61,183.64

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Solution

The fourth proportional to 107,119.97, 147,830.40 and 61,183.64 is: 84,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,119.97 : 147,830.40 = 61,183.64 : x
  2. Step 2: Convert to fraction form
    107,119.97/147,830.40 = 61,183.64/x
  3. Step 3: Cross multiply
    107,119.97x = 147,830.40 × 61,183.64
  4. Step 4: Simplify right side
    107,119.97x = 9,044,801,235.50
  5. Step 5: Solve for x
    x = 9,044,801,235.50/107,119.97
  6. Step 6: Final answer
    x = 84,436.19

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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.