Home / 108,563.12-162,854.40-29,677.76

Finding the Fourth Proportional to 108,563.12, 162,854.40 and 29,677.76

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Solution

The fourth proportional to 108,563.12, 162,854.40 and 29,677.76 is: 44,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,563.12 : 162,854.40 = 29,677.76 : x
  2. Step 2: Convert to fraction form
    108,563.12/162,854.40 = 29,677.76/x
  3. Step 3: Cross multiply
    108,563.12x = 162,854.40 × 29,677.76
  4. Step 4: Simplify right side
    108,563.12x = 4,833,153,798.14
  5. Step 5: Solve for x
    x = 4,833,153,798.14/108,563.12
  6. Step 6: Final answer
    x = 44,519.30

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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.