Home / 107,771.36-148,718.60-59,371.70

Finding the Fourth Proportional to 107,771.36, 148,718.60 and 59,371.70

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Solution

The fourth proportional to 107,771.36, 148,718.60 and 59,371.70 is: 81,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,771.36 : 148,718.60 = 59,371.70 : x
  2. Step 2: Convert to fraction form
    107,771.36/148,718.60 = 59,371.70/x
  3. Step 3: Cross multiply
    107,771.36x = 148,718.60 × 59,371.70
  4. Step 4: Simplify right side
    107,771.36x = 8,829,676,103.62
  5. Step 5: Solve for x
    x = 8,829,676,103.62/107,771.36
  6. Step 6: Final answer
    x = 81,929.71

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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.