Home / 113,609.20-156,774.36-62,611.96

Finding the Fourth Proportional to 113,609.20, 156,774.36 and 62,611.96

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Solution

The fourth proportional to 113,609.20, 156,774.36 and 62,611.96 is: 86,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,609.20 : 156,774.36 = 62,611.96 : x
  2. Step 2: Convert to fraction form
    113,609.20/156,774.36 = 62,611.96/x
  3. Step 3: Cross multiply
    113,609.20x = 156,774.36 × 62,611.96
  4. Step 4: Simplify right side
    113,609.20x = 9,815,949,957.35
  5. Step 5: Solve for x
    x = 9,815,949,957.35/113,609.20
  6. Step 6: Final answer
    x = 86,401.01

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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.