Home / 107,781.36-148,732.92-60,039.60

Finding the Fourth Proportional to 107,781.36, 148,732.92 and 60,039.60

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Solution

The fourth proportional to 107,781.36, 148,732.92 and 60,039.60 is: 82,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,781.36 : 148,732.92 = 60,039.60 : x
  2. Step 2: Convert to fraction form
    107,781.36/148,732.92 = 60,039.60/x
  3. Step 3: Cross multiply
    107,781.36x = 148,732.92 × 60,039.60
  4. Step 4: Simplify right side
    107,781.36x = 8,929,865,023.63
  5. Step 5: Solve for x
    x = 8,929,865,023.63/107,781.36
  6. Step 6: Final answer
    x = 82,851.66

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1.5x scale

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.