Home / 113,764.40-156,995.33-62,778.62

Finding the Fourth Proportional to 113,764.40, 156,995.33 and 62,778.62

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Solution

The fourth proportional to 113,764.40, 156,995.33 and 62,778.62 is: 86,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,764.40 : 156,995.33 = 62,778.62 : x
  2. Step 2: Convert to fraction form
    113,764.40/156,995.33 = 62,778.62/x
  3. Step 3: Cross multiply
    113,764.40x = 156,995.33 × 62,778.62
  4. Step 4: Simplify right side
    113,764.40x = 9,855,949,771.36
  5. Step 5: Solve for x
    x = 9,855,949,771.36/113,764.40
  6. Step 6: Final answer
    x = 86,634.75

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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.