Home / 104,612.51-156,985.61-38,046.30

Finding the Fourth Proportional to 104,612.51, 156,985.61 and 38,046.30

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Solution

The fourth proportional to 104,612.51, 156,985.61 and 38,046.30 is: 57,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,612.51 : 156,985.61 = 38,046.30 : x
  2. Step 2: Convert to fraction form
    104,612.51/156,985.61 = 38,046.30/x
  3. Step 3: Cross multiply
    104,612.51x = 156,985.61 × 38,046.30
  4. Step 4: Simplify right side
    104,612.51x = 5,972,721,423.51
  5. Step 5: Solve for x
    x = 5,972,721,423.51/104,612.51
  6. Step 6: Final answer
    x = 57,093.76

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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.