Home / 108,126.48-162,169.86-29,247.06

Finding the Fourth Proportional to 108,126.48, 162,169.86 and 29,247.06

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Solution

The fourth proportional to 108,126.48, 162,169.86 and 29,247.06 is: 43,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,126.48 : 162,169.86 = 29,247.06 : x
  2. Step 2: Convert to fraction form
    108,126.48/162,169.86 = 29,247.06/x
  3. Step 3: Cross multiply
    108,126.48x = 162,169.86 × 29,247.06
  4. Step 4: Simplify right side
    108,126.48x = 4,742,991,625.61
  5. Step 5: Solve for x
    x = 4,742,991,625.61/108,126.48
  6. Step 6: Final answer
    x = 43,865.22

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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.