Home / 79,904.89-119,743.12-58,678.44

Finding the Fourth Proportional to 79,904.89, 119,743.12 and 58,678.44

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Solution

The fourth proportional to 79,904.89, 119,743.12 and 58,678.44 is: 87,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,904.89 : 119,743.12 = 58,678.44 : x
  2. Step 2: Convert to fraction form
    79,904.89/119,743.12 = 58,678.44/x
  3. Step 3: Cross multiply
    79,904.89x = 119,743.12 × 58,678.44
  4. Step 4: Simplify right side
    79,904.89x = 7,026,339,482.33
  5. Step 5: Solve for x
    x = 7,026,339,482.33/79,904.89
  6. Step 6: Final answer
    x = 87,933.79

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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.