Home / 113,776.35-170,568.13-47,174.91

Finding the Fourth Proportional to 113,776.35, 170,568.13 and 47,174.91

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Solution

The fourth proportional to 113,776.35, 170,568.13 and 47,174.91 is: 70,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,776.35 : 170,568.13 = 47,174.91 : x
  2. Step 2: Convert to fraction form
    113,776.35/170,568.13 = 47,174.91/x
  3. Step 3: Cross multiply
    113,776.35x = 170,568.13 × 47,174.91
  4. Step 4: Simplify right side
    113,776.35x = 8,046,536,181.62
  5. Step 5: Solve for x
    x = 8,046,536,181.62/113,776.35
  6. Step 6: Final answer
    x = 70,722.40

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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.