Home / 87,042.66-120,116.75-48,804.11

Finding the Fourth Proportional to 87,042.66, 120,116.75 and 48,804.11

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Solution

The fourth proportional to 87,042.66, 120,116.75 and 48,804.11 is: 67,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,042.66 : 120,116.75 = 48,804.11 : x
  2. Step 2: Convert to fraction form
    87,042.66/120,116.75 = 48,804.11/x
  3. Step 3: Cross multiply
    87,042.66x = 120,116.75 × 48,804.11
  4. Step 4: Simplify right side
    87,042.66x = 5,862,191,079.84
  5. Step 5: Solve for x
    x = 5,862,191,079.84/87,042.66
  6. Step 6: Final answer
    x = 67,348.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.