Home / 107,929.10-161,845.05-48,734.30

Finding the Fourth Proportional to 107,929.10, 161,845.05 and 48,734.30

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Solution

The fourth proportional to 107,929.10, 161,845.05 and 48,734.30 is: 73,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,929.10 : 161,845.05 = 48,734.30 : x
  2. Step 2: Convert to fraction form
    107,929.10/161,845.05 = 48,734.30/x
  3. Step 3: Cross multiply
    107,929.10x = 161,845.05 × 48,734.30
  4. Step 4: Simplify right side
    107,929.10x = 7,887,405,220.22
  5. Step 5: Solve for x
    x = 7,887,405,220.22/107,929.10
  6. Step 6: Final answer
    x = 73,079.51

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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.