Home / 113,414.72-156,447.06-70,899.44

Finding the Fourth Proportional to 113,414.72, 156,447.06 and 70,899.44

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Solution

The fourth proportional to 113,414.72, 156,447.06 and 70,899.44 is: 97,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,414.72 : 156,447.06 = 70,899.44 : x
  2. Step 2: Convert to fraction form
    113,414.72/156,447.06 = 70,899.44/x
  3. Step 3: Cross multiply
    113,414.72x = 156,447.06 × 70,899.44
  4. Step 4: Simplify right side
    113,414.72x = 11,092,008,943.65
  5. Step 5: Solve for x
    x = 11,092,008,943.65/113,414.72
  6. Step 6: Final answer
    x = 97,800.43

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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.