Home / 101,931.33-152,664.21-48,660.78

Finding the Fourth Proportional to 101,931.33, 152,664.21 and 48,660.78

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Solution

The fourth proportional to 101,931.33, 152,664.21 and 48,660.78 is: 72,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,931.33 : 152,664.21 = 48,660.78 : x
  2. Step 2: Convert to fraction form
    101,931.33/152,664.21 = 48,660.78/x
  3. Step 3: Cross multiply
    101,931.33x = 152,664.21 × 48,660.78
  4. Step 4: Simplify right side
    101,931.33x = 7,428,759,536.68
  5. Step 5: Solve for x
    x = 7,428,759,536.68/101,931.33
  6. Step 6: Final answer
    x = 72,880.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.