Home / 108,548.66-162,821.50-48,561.28

Finding the Fourth Proportional to 108,548.66, 162,821.50 and 48,561.28

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Solution

The fourth proportional to 108,548.66, 162,821.50 and 48,561.28 is: 72,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,548.66 : 162,821.50 = 48,561.28 : x
  2. Step 2: Convert to fraction form
    108,548.66/162,821.50 = 48,561.28/x
  3. Step 3: Cross multiply
    108,548.66x = 162,821.50 × 48,561.28
  4. Step 4: Simplify right side
    108,548.66x = 7,906,819,923.06
  5. Step 5: Solve for x
    x = 7,906,819,923.06/108,548.66
  6. Step 6: Final answer
    x = 72,841.25

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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.