Home / 107,740.54-148,686.33-59,990.86

Finding the Fourth Proportional to 107,740.54, 148,686.33 and 59,990.86

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Solution

The fourth proportional to 107,740.54, 148,686.33 and 59,990.86 is: 82,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,740.54 : 148,686.33 = 59,990.86 : x
  2. Step 2: Convert to fraction form
    107,740.54/148,686.33 = 59,990.86/x
  3. Step 3: Cross multiply
    107,740.54x = 148,686.33 × 59,990.86
  4. Step 4: Simplify right side
    107,740.54x = 8,919,820,806.94
  5. Step 5: Solve for x
    x = 8,919,820,806.94/107,740.54
  6. Step 6: Final answer
    x = 82,789.83

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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.