Home / 113,761.23-156,988.96-62,772.67

Finding the Fourth Proportional to 113,761.23, 156,988.96 and 62,772.67

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Solution

The fourth proportional to 113,761.23, 156,988.96 and 62,772.67 is: 86,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,761.23 : 156,988.96 = 62,772.67 : x
  2. Step 2: Convert to fraction form
    113,761.23/156,988.96 = 62,772.67/x
  3. Step 3: Cross multiply
    113,761.23x = 156,988.96 × 62,772.67
  4. Step 4: Simplify right side
    113,761.23x = 9,854,616,179.72
  5. Step 5: Solve for x
    x = 9,854,616,179.72/113,761.23
  6. Step 6: Final answer
    x = 86,625.44

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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.