Home / 87,037.22-130,562.78-37,117.77

Finding the Fourth Proportional to 87,037.22, 130,562.78 and 37,117.77

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Solution

The fourth proportional to 87,037.22, 130,562.78 and 37,117.77 is: 55,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,037.22 : 130,562.78 = 37,117.77 : x
  2. Step 2: Convert to fraction form
    87,037.22/130,562.78 = 37,117.77/x
  3. Step 3: Cross multiply
    87,037.22x = 130,562.78 × 37,117.77
  4. Step 4: Simplify right side
    87,037.22x = 4,846,199,238.60
  5. Step 5: Solve for x
    x = 4,846,199,238.60/87,037.22
  6. Step 6: Final answer
    x = 55,679.62

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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.