Home / 77,025.58-115,442.94-43,644.52

Finding the Fourth Proportional to 77,025.58, 115,442.94 and 43,644.52

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Solution

The fourth proportional to 77,025.58, 115,442.94 and 43,644.52 is: 65,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,025.58 : 115,442.94 = 43,644.52 : x
  2. Step 2: Convert to fraction form
    77,025.58/115,442.94 = 43,644.52/x
  3. Step 3: Cross multiply
    77,025.58x = 115,442.94 × 43,644.52
  4. Step 4: Simplify right side
    77,025.58x = 5,038,451,703.69
  5. Step 5: Solve for x
    x = 5,038,451,703.69/77,025.58
  6. Step 6: Final answer
    x = 65,412.71

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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.