Home / 108,569.97-162,842.40-29,690.55

Finding the Fourth Proportional to 108,569.97, 162,842.40 and 29,690.55

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Solution

The fourth proportional to 108,569.97, 162,842.40 and 29,690.55 is: 44,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,569.97 : 162,842.40 = 29,690.55 : x
  2. Step 2: Convert to fraction form
    108,569.97/162,842.40 = 29,690.55/x
  3. Step 3: Cross multiply
    108,569.97x = 162,842.40 × 29,690.55
  4. Step 4: Simplify right side
    108,569.97x = 4,834,880,419.32
  5. Step 5: Solve for x
    x = 4,834,880,419.32/108,569.97
  6. Step 6: Final answer
    x = 44,532.39

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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.