Home / 77,184.39-115,589.73-53,425.37

Finding the Fourth Proportional to 77,184.39, 115,589.73 and 53,425.37

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Solution

The fourth proportional to 77,184.39, 115,589.73 and 53,425.37 is: 80,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,184.39 : 115,589.73 = 53,425.37 : x
  2. Step 2: Convert to fraction form
    77,184.39/115,589.73 = 53,425.37/x
  3. Step 3: Cross multiply
    77,184.39x = 115,589.73 × 53,425.37
  4. Step 4: Simplify right side
    77,184.39x = 6,175,424,582.77
  5. Step 5: Solve for x
    x = 6,175,424,582.77/77,184.39
  6. Step 6: Final answer
    x = 80,008.72

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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.