Home / 87,544.26-120,811.64-49,818.51

Finding the Fourth Proportional to 87,544.26, 120,811.64 and 49,818.51

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Solution

The fourth proportional to 87,544.26, 120,811.64 and 49,818.51 is: 68,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,544.26 : 120,811.64 = 49,818.51 : x
  2. Step 2: Convert to fraction form
    87,544.26/120,811.64 = 49,818.51/x
  3. Step 3: Cross multiply
    87,544.26x = 120,811.64 × 49,818.51
  4. Step 4: Simplify right side
    87,544.26x = 6,018,655,646.36
  5. Step 5: Solve for x
    x = 6,018,655,646.36/87,544.26
  6. Step 6: Final answer
    x = 68,749.86

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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.