Home / 107,519.16-148,371.84-59,771.28

Finding the Fourth Proportional to 107,519.16, 148,371.84 and 59,771.28

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Solution

The fourth proportional to 107,519.16, 148,371.84 and 59,771.28 is: 82,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,519.16 : 148,371.84 = 59,771.28 : x
  2. Step 2: Convert to fraction form
    107,519.16/148,371.84 = 59,771.28/x
  3. Step 3: Cross multiply
    107,519.16x = 148,371.84 × 59,771.28
  4. Step 4: Simplify right side
    107,519.16x = 8,868,374,792.76
  5. Step 5: Solve for x
    x = 8,868,374,792.76/107,519.16
  6. Step 6: Final answer
    x = 82,481.81

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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.