Home / 77,222.40-115,835.76-27,295.44

Finding the Fourth Proportional to 77,222.40, 115,835.76 and 27,295.44

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Solution

The fourth proportional to 77,222.40, 115,835.76 and 27,295.44 is: 40,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,222.40 : 115,835.76 = 27,295.44 : x
  2. Step 2: Convert to fraction form
    77,222.40/115,835.76 = 27,295.44/x
  3. Step 3: Cross multiply
    77,222.40x = 115,835.76 × 27,295.44
  4. Step 4: Simplify right side
    77,222.40x = 3,161,788,036.93
  5. Step 5: Solve for x
    x = 3,161,788,036.93/77,222.40
  6. Step 6: Final answer
    x = 40,943.92

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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.