Home / 77,789.16-116,585.33-49,698.36

Finding the Fourth Proportional to 77,789.16, 116,585.33 and 49,698.36

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Solution

The fourth proportional to 77,789.16, 116,585.33 and 49,698.36 is: 74,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,789.16 : 116,585.33 = 49,698.36 : x
  2. Step 2: Convert to fraction form
    77,789.16/116,585.33 = 49,698.36/x
  3. Step 3: Cross multiply
    77,789.16x = 116,585.33 × 49,698.36
  4. Step 4: Simplify right side
    77,789.16x = 5,794,099,452.57
  5. Step 5: Solve for x
    x = 5,794,099,452.57/77,789.16
  6. Step 6: Final answer
    x = 74,484.66

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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.