Home / 79,251.24-118,051.14-75,043.98

Finding the Fourth Proportional to 79,251.24, 118,051.14 and 75,043.98

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Solution

The fourth proportional to 79,251.24, 118,051.14 and 75,043.98 is: 111,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,251.24 : 118,051.14 = 75,043.98 : x
  2. Step 2: Convert to fraction form
    79,251.24/118,051.14 = 75,043.98/x
  3. Step 3: Cross multiply
    79,251.24x = 118,051.14 × 75,043.98
  4. Step 4: Simplify right side
    79,251.24x = 8,859,027,389.14
  5. Step 5: Solve for x
    x = 8,859,027,389.14/79,251.24
  6. Step 6: Final answer
    x = 111,784.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.