Home / 108,046.35-149,097.90-60,302.78

Finding the Fourth Proportional to 108,046.35, 149,097.90 and 60,302.78

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Solution

The fourth proportional to 108,046.35, 149,097.90 and 60,302.78 is: 83,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,046.35 : 149,097.90 = 60,302.78 : x
  2. Step 2: Convert to fraction form
    108,046.35/149,097.90 = 60,302.78/x
  3. Step 3: Cross multiply
    108,046.35x = 149,097.90 × 60,302.78
  4. Step 4: Simplify right side
    108,046.35x = 8,991,016,815.16
  5. Step 5: Solve for x
    x = 8,991,016,815.16/108,046.35
  6. Step 6: Final answer
    x = 83,214.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.