Home / 87,283.63-120,497.25-58,753.45

Finding the Fourth Proportional to 87,283.63, 120,497.25 and 58,753.45

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Solution

The fourth proportional to 87,283.63, 120,497.25 and 58,753.45 is: 81,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,283.63 : 120,497.25 = 58,753.45 : x
  2. Step 2: Convert to fraction form
    87,283.63/120,497.25 = 58,753.45/x
  3. Step 3: Cross multiply
    87,283.63x = 120,497.25 × 58,753.45
  4. Step 4: Simplify right side
    87,283.63x = 7,079,629,153.01
  5. Step 5: Solve for x
    x = 7,079,629,153.01/87,283.63
  6. Step 6: Final answer
    x = 81,110.62

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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.