Home / 108,787.60-163,181.40-62,045.20

Finding the Fourth Proportional to 108,787.60, 163,181.40 and 62,045.20

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Solution

The fourth proportional to 108,787.60, 163,181.40 and 62,045.20 is: 93,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,787.60 : 163,181.40 = 62,045.20 : x
  2. Step 2: Convert to fraction form
    108,787.60/163,181.40 = 62,045.20/x
  3. Step 3: Cross multiply
    108,787.60x = 163,181.40 × 62,045.20
  4. Step 4: Simplify right side
    108,787.60x = 10,124,622,599.28
  5. Step 5: Solve for x
    x = 10,124,622,599.28/108,787.60
  6. Step 6: Final answer
    x = 93,067.80

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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.