Home / 113,505.92-170,258.56-51,103.36

Finding the Fourth Proportional to 113,505.92, 170,258.56 and 51,103.36

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Solution

The fourth proportional to 113,505.92, 170,258.56 and 51,103.36 is: 76,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,505.92 : 170,258.56 = 51,103.36 : x
  2. Step 2: Convert to fraction form
    113,505.92/170,258.56 = 51,103.36/x
  3. Step 3: Cross multiply
    113,505.92x = 170,258.56 × 51,103.36
  4. Step 4: Simplify right side
    113,505.92x = 8,700,784,484.76
  5. Step 5: Solve for x
    x = 8,700,784,484.76/113,505.92
  6. Step 6: Final answer
    x = 76,654.90

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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.