Home / 107,518.66-148,358.28-59,770.78

Finding the Fourth Proportional to 107,518.66, 148,358.28 and 59,770.78

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Solution

The fourth proportional to 107,518.66, 148,358.28 and 59,770.78 is: 82,473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,518.66 : 148,358.28 = 59,770.78 : x
  2. Step 2: Convert to fraction form
    107,518.66/148,358.28 = 59,770.78/x
  3. Step 3: Cross multiply
    107,518.66x = 148,358.28 × 59,770.78
  4. Step 4: Simplify right side
    107,518.66x = 8,867,489,968.30
  5. Step 5: Solve for x
    x = 8,867,489,968.30/107,518.66
  6. Step 6: Final answer
    x = 82,473.96

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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.