Home / 77,150.59-115,725.06-58,544.89

Finding the Fourth Proportional to 77,150.59, 115,725.06 and 58,544.89

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Solution

The fourth proportional to 77,150.59, 115,725.06 and 58,544.89 is: 87,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,150.59 : 115,725.06 = 58,544.89 : x
  2. Step 2: Convert to fraction form
    77,150.59/115,725.06 = 58,544.89/x
  3. Step 3: Cross multiply
    77,150.59x = 115,725.06 × 58,544.89
  4. Step 4: Simplify right side
    77,150.59x = 6,775,110,907.94
  5. Step 5: Solve for x
    x = 6,775,110,907.94/77,150.59
  6. Step 6: Final answer
    x = 87,816.71

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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.