Home / 104,349.89-156,531.05-40,308.52

Finding the Fourth Proportional to 104,349.89, 156,531.05 and 40,308.52

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Solution

The fourth proportional to 104,349.89, 156,531.05 and 40,308.52 is: 60,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,349.89 : 156,531.05 = 40,308.52 : x
  2. Step 2: Convert to fraction form
    104,349.89/156,531.05 = 40,308.52/x
  3. Step 3: Cross multiply
    104,349.89x = 156,531.05 × 40,308.52
  4. Step 4: Simplify right side
    104,349.89x = 6,309,534,366.68
  5. Step 5: Solve for x
    x = 6,309,534,366.68/104,349.89
  6. Step 6: Final answer
    x = 60,465.17

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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.