Home / 77,658.18-116,458.53-27,724.86

Finding the Fourth Proportional to 77,658.18, 116,458.53 and 27,724.86

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Solution

The fourth proportional to 77,658.18, 116,458.53 and 27,724.86 is: 41,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,658.18 : 116,458.53 = 27,724.86 : x
  2. Step 2: Convert to fraction form
    77,658.18/116,458.53 = 27,724.86/x
  3. Step 3: Cross multiply
    77,658.18x = 116,458.53 × 27,724.86
  4. Step 4: Simplify right side
    77,658.18x = 3,228,796,440.06
  5. Step 5: Solve for x
    x = 3,228,796,440.06/77,658.18
  6. Step 6: Final answer
    x = 41,577.03

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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.