Home / 108,117.60-162,176.02-29,231.82

Finding the Fourth Proportional to 108,117.60, 162,176.02 and 29,231.82

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Solution

The fourth proportional to 108,117.60, 162,176.02 and 29,231.82 is: 43,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,117.60 : 162,176.02 = 29,231.82 : x
  2. Step 2: Convert to fraction form
    108,117.60/162,176.02 = 29,231.82/x
  3. Step 3: Cross multiply
    108,117.60x = 162,176.02 × 29,231.82
  4. Step 4: Simplify right side
    108,117.60x = 4,740,699,267.92
  5. Step 5: Solve for x
    x = 4,740,699,267.92/108,117.60
  6. Step 6: Final answer
    x = 43,847.62

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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.