Home / 77,232.20-115,649.58-53,506.04

Finding the Fourth Proportional to 77,232.20, 115,649.58 and 53,506.04

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Solution

The fourth proportional to 77,232.20, 115,649.58 and 53,506.04 is: 80,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,232.20 : 115,649.58 = 53,506.04 : x
  2. Step 2: Convert to fraction form
    77,232.20/115,649.58 = 53,506.04/x
  3. Step 3: Cross multiply
    77,232.20x = 115,649.58 × 53,506.04
  4. Step 4: Simplify right side
    77,232.20x = 6,187,951,053.46
  5. Step 5: Solve for x
    x = 6,187,951,053.46/77,232.20
  6. Step 6: Final answer
    x = 80,121.39

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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.