Home / 104,034.93-155,986.79-57,320.61

Finding the Fourth Proportional to 104,034.93, 155,986.79 and 57,320.61

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Solution

The fourth proportional to 104,034.93, 155,986.79 and 57,320.61 is: 85,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,034.93 : 155,986.79 = 57,320.61 : x
  2. Step 2: Convert to fraction form
    104,034.93/155,986.79 = 57,320.61/x
  3. Step 3: Cross multiply
    104,034.93x = 155,986.79 × 57,320.61
  4. Step 4: Simplify right side
    104,034.93x = 8,941,257,668.14
  5. Step 5: Solve for x
    x = 8,941,257,668.14/104,034.93
  6. Step 6: Final answer
    x = 85,944.77

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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.