Home / 87,235.57-130,682.04-57,562.84

Finding the Fourth Proportional to 87,235.57, 130,682.04 and 57,562.84

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Solution

The fourth proportional to 87,235.57, 130,682.04 and 57,562.84 is: 86,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,235.57 : 130,682.04 = 57,562.84 : x
  2. Step 2: Convert to fraction form
    87,235.57/130,682.04 = 57,562.84/x
  3. Step 3: Cross multiply
    87,235.57x = 130,682.04 × 57,562.84
  4. Step 4: Simplify right side
    87,235.57x = 7,522,429,359.39
  5. Step 5: Solve for x
    x = 7,522,429,359.39/87,235.57
  6. Step 6: Final answer
    x = 86,231.22

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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.