Home / 108,415.27-162,617.89-28,451.26

Finding the Fourth Proportional to 108,415.27, 162,617.89 and 28,451.26

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Solution

The fourth proportional to 108,415.27, 162,617.89 and 28,451.26 is: 42,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,415.27 : 162,617.89 = 28,451.26 : x
  2. Step 2: Convert to fraction form
    108,415.27/162,617.89 = 28,451.26/x
  3. Step 3: Cross multiply
    108,415.27x = 162,617.89 × 28,451.26
  4. Step 4: Simplify right side
    108,415.27x = 4,626,683,869.04
  5. Step 5: Solve for x
    x = 4,626,683,869.04/108,415.27
  6. Step 6: Final answer
    x = 42,675.57

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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.