Home / 107,725.20-148,660.76-59,989.81

Finding the Fourth Proportional to 107,725.20, 148,660.76 and 59,989.81

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Solution

The fourth proportional to 107,725.20, 148,660.76 and 59,989.81 is: 82,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,725.20 : 148,660.76 = 59,989.81 : x
  2. Step 2: Convert to fraction form
    107,725.20/148,660.76 = 59,989.81/x
  3. Step 3: Cross multiply
    107,725.20x = 148,660.76 × 59,989.81
  4. Step 4: Simplify right side
    107,725.20x = 8,918,129,703.60
  5. Step 5: Solve for x
    x = 8,918,129,703.60/107,725.20
  6. Step 6: Final answer
    x = 82,785.92

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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.