Home / 104,379.12-156,440.43-48,141.18

Finding the Fourth Proportional to 104,379.12, 156,440.43 and 48,141.18

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Solution

The fourth proportional to 104,379.12, 156,440.43 and 48,141.18 is: 72,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,379.12 : 156,440.43 = 48,141.18 : x
  2. Step 2: Convert to fraction form
    104,379.12/156,440.43 = 48,141.18/x
  3. Step 3: Cross multiply
    104,379.12x = 156,440.43 × 48,141.18
  4. Step 4: Simplify right side
    104,379.12x = 7,531,226,899.91
  5. Step 5: Solve for x
    x = 7,531,226,899.91/104,379.12
  6. Step 6: Final answer
    x = 72,152.62

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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.