Home / 104,511.20-156,793.80-45,333.32

Finding the Fourth Proportional to 104,511.20, 156,793.80 and 45,333.32

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Solution

The fourth proportional to 104,511.20, 156,793.80 and 45,333.32 is: 68,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,511.20 : 156,793.80 = 45,333.32 : x
  2. Step 2: Convert to fraction form
    104,511.20/156,793.80 = 45,333.32/x
  3. Step 3: Cross multiply
    104,511.20x = 156,793.80 × 45,333.32
  4. Step 4: Simplify right side
    104,511.20x = 7,107,983,509.42
  5. Step 5: Solve for x
    x = 7,107,983,509.42/104,511.20
  6. Step 6: Final answer
    x = 68,011.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.