Home / 108,965.00-163,456.90-30,079.24

Finding the Fourth Proportional to 108,965.00, 163,456.90 and 30,079.24

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Solution

The fourth proportional to 108,965.00, 163,456.90 and 30,079.24 is: 45,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,965.00 : 163,456.90 = 30,079.24 : x
  2. Step 2: Convert to fraction form
    108,965.00/163,456.90 = 30,079.24/x
  3. Step 3: Cross multiply
    108,965.00x = 163,456.90 × 30,079.24
  4. Step 4: Simplify right side
    108,965.00x = 4,916,658,840.92
  5. Step 5: Solve for x
    x = 4,916,658,840.92/108,965.00
  6. Step 6: Final answer
    x = 45,121.45

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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.