Home / 108,521.30-162,587.55-92,969.30

Finding the Fourth Proportional to 108,521.30, 162,587.55 and 92,969.30

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Solution

The fourth proportional to 108,521.30, 162,587.55 and 92,969.30 is: 139,287.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,521.30 : 162,587.55 = 92,969.30 : x
  2. Step 2: Convert to fraction form
    108,521.30/162,587.55 = 92,969.30/x
  3. Step 3: Cross multiply
    108,521.30x = 162,587.55 × 92,969.30
  4. Step 4: Simplify right side
    108,521.30x = 15,115,650,712.22
  5. Step 5: Solve for x
    x = 15,115,650,712.22/108,521.30
  6. Step 6: Final answer
    x = 139,287.41

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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.