Home / 77,829.36-116,763.24-22,424.88

Finding the Fourth Proportional to 77,829.36, 116,763.24 and 22,424.88

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Solution

The fourth proportional to 77,829.36, 116,763.24 and 22,424.88 is: 33,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,829.36 : 116,763.24 = 22,424.88 : x
  2. Step 2: Convert to fraction form
    77,829.36/116,763.24 = 22,424.88/x
  3. Step 3: Cross multiply
    77,829.36x = 116,763.24 × 22,424.88
  4. Step 4: Simplify right side
    77,829.36x = 2,618,401,645.41
  5. Step 5: Solve for x
    x = 2,618,401,645.41/77,829.36
  6. Step 6: Final answer
    x = 33,642.85

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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.