Home / 113,712.72-170,508.74-34,805.76

Finding the Fourth Proportional to 113,712.72, 170,508.74 and 34,805.76

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Solution

The fourth proportional to 113,712.72, 170,508.74 and 34,805.76 is: 52,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,712.72 : 170,508.74 = 34,805.76 : x
  2. Step 2: Convert to fraction form
    113,712.72/170,508.74 = 34,805.76/x
  3. Step 3: Cross multiply
    113,712.72x = 170,508.74 × 34,805.76
  4. Step 4: Simplify right side
    113,712.72x = 5,934,686,282.34
  5. Step 5: Solve for x
    x = 5,934,686,282.34/113,712.72
  6. Step 6: Final answer
    x = 52,190.17

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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.