Home / 104,479.36-156,685.92-34,342.40

Finding the Fourth Proportional to 104,479.36, 156,685.92 and 34,342.40

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Solution

The fourth proportional to 104,479.36, 156,685.92 and 34,342.40 is: 51,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,479.36 : 156,685.92 = 34,342.40 : x
  2. Step 2: Convert to fraction form
    104,479.36/156,685.92 = 34,342.40/x
  3. Step 3: Cross multiply
    104,479.36x = 156,685.92 × 34,342.40
  4. Step 4: Simplify right side
    104,479.36x = 5,380,970,539.01
  5. Step 5: Solve for x
    x = 5,380,970,539.01/104,479.36
  6. Step 6: Final answer
    x = 51,502.71

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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.