Home / 79,351.14-118,981.61-61,333.00

Finding the Fourth Proportional to 79,351.14, 118,981.61 and 61,333.00

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Solution

The fourth proportional to 79,351.14, 118,981.61 and 61,333.00 is: 91,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,351.14 : 118,981.61 = 61,333.00 : x
  2. Step 2: Convert to fraction form
    79,351.14/118,981.61 = 61,333.00/x
  3. Step 3: Cross multiply
    79,351.14x = 118,981.61 × 61,333.00
  4. Step 4: Simplify right side
    79,351.14x = 7,297,498,712.01
  5. Step 5: Solve for x
    x = 7,297,498,712.01/79,351.14
  6. Step 6: Final answer
    x = 91,964.63

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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.