Home / 87,051.42-130,588.73-34,448.61

Finding the Fourth Proportional to 87,051.42, 130,588.73 and 34,448.61

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Solution

The fourth proportional to 87,051.42, 130,588.73 and 34,448.61 is: 51,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,051.42 : 130,588.73 = 34,448.61 : x
  2. Step 2: Convert to fraction form
    87,051.42/130,588.73 = 34,448.61/x
  3. Step 3: Cross multiply
    87,051.42x = 130,588.73 × 34,448.61
  4. Step 4: Simplify right side
    87,051.42x = 4,498,600,057.92
  5. Step 5: Solve for x
    x = 4,498,600,057.92/87,051.42
  6. Step 6: Final answer
    x = 51,677.50

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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.