Home / 77,590.24-116,383.04-21,433.71

Finding the Fourth Proportional to 77,590.24, 116,383.04 and 21,433.71

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Solution

The fourth proportional to 77,590.24, 116,383.04 and 21,433.71 is: 32,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,590.24 : 116,383.04 = 21,433.71 : x
  2. Step 2: Convert to fraction form
    77,590.24/116,383.04 = 21,433.71/x
  3. Step 3: Cross multiply
    77,590.24x = 116,383.04 × 21,433.71
  4. Step 4: Simplify right side
    77,590.24x = 2,494,520,768.06
  5. Step 5: Solve for x
    x = 2,494,520,768.06/77,590.24
  6. Step 6: Final answer
    x = 32,149.93

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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.