Home / 107,765.76-148,665.24-83,727.93

Finding the Fourth Proportional to 107,765.76, 148,665.24 and 83,727.93

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Solution

The fourth proportional to 107,765.76, 148,665.24 and 83,727.93 is: 115,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,765.76 : 148,665.24 = 83,727.93 : x
  2. Step 2: Convert to fraction form
    107,765.76/148,665.24 = 83,727.93/x
  3. Step 3: Cross multiply
    107,765.76x = 148,665.24 × 83,727.93
  4. Step 4: Simplify right side
    107,765.76x = 12,447,432,808.15
  5. Step 5: Solve for x
    x = 12,447,432,808.15/107,765.76
  6. Step 6: Final answer
    x = 115,504.52

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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.