Home / 113,464.11-156,579.18-62,475.78

Finding the Fourth Proportional to 113,464.11, 156,579.18 and 62,475.78

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Solution

The fourth proportional to 113,464.11, 156,579.18 and 62,475.78 is: 86,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,464.11 : 156,579.18 = 62,475.78 : x
  2. Step 2: Convert to fraction form
    113,464.11/156,579.18 = 62,475.78/x
  3. Step 3: Cross multiply
    113,464.11x = 156,579.18 × 62,475.78
  4. Step 4: Simplify right side
    113,464.11x = 9,782,405,619.36
  5. Step 5: Solve for x
    x = 9,782,405,619.36/113,464.11
  6. Step 6: Final answer
    x = 86,215.86

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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.