Home / 107,513.12-148,361.60-59,764.80

Finding the Fourth Proportional to 107,513.12, 148,361.60 and 59,764.80

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Solution

The fourth proportional to 107,513.12, 148,361.60 and 59,764.80 is: 82,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,513.12 : 148,361.60 = 59,764.80 : x
  2. Step 2: Convert to fraction form
    107,513.12/148,361.60 = 59,764.80/x
  3. Step 3: Cross multiply
    107,513.12x = 148,361.60 × 59,764.80
  4. Step 4: Simplify right side
    107,513.12x = 8,866,801,351.68
  5. Step 5: Solve for x
    x = 8,866,801,351.68/107,513.12
  6. Step 6: Final answer
    x = 82,471.81

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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.