Home / 87,749.02-131,639.93-35,162.61

Finding the Fourth Proportional to 87,749.02, 131,639.93 and 35,162.61

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Solution

The fourth proportional to 87,749.02, 131,639.93 and 35,162.61 is: 52,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,749.02 : 131,639.93 = 35,162.61 : x
  2. Step 2: Convert to fraction form
    87,749.02/131,639.93 = 35,162.61/x
  3. Step 3: Cross multiply
    87,749.02x = 131,639.93 × 35,162.61
  4. Step 4: Simplify right side
    87,749.02x = 4,628,802,981.41
  5. Step 5: Solve for x
    x = 4,628,802,981.41/87,749.02
  6. Step 6: Final answer
    x = 52,750.48

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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.