Home / 77,006.70-115,502.22-52,206.12

Finding the Fourth Proportional to 77,006.70, 115,502.22 and 52,206.12

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Solution

The fourth proportional to 77,006.70, 115,502.22 and 52,206.12 is: 78,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,006.70 : 115,502.22 = 52,206.12 : x
  2. Step 2: Convert to fraction form
    77,006.70/115,502.22 = 52,206.12/x
  3. Step 3: Cross multiply
    77,006.70x = 115,502.22 × 52,206.12
  4. Step 4: Simplify right side
    77,006.70x = 6,029,922,757.59
  5. Step 5: Solve for x
    x = 6,029,922,757.59/77,006.70
  6. Step 6: Final answer
    x = 78,303.87

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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.