Home / 110,538.75-165,818.13-30,581.73

Finding the Fourth Proportional to 110,538.75, 165,818.13 and 30,581.73

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Solution

The fourth proportional to 110,538.75, 165,818.13 and 30,581.73 is: 45,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,538.75 : 165,818.13 = 30,581.73 : x
  2. Step 2: Convert to fraction form
    110,538.75/165,818.13 = 30,581.73/x
  3. Step 3: Cross multiply
    110,538.75x = 165,818.13 × 30,581.73
  4. Step 4: Simplify right side
    110,538.75x = 5,071,005,280.76
  5. Step 5: Solve for x
    x = 5,071,005,280.76/110,538.75
  6. Step 6: Final answer
    x = 45,875.36

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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.