Home / 52,079.69-78,119.64-18,823.24

Finding the Fourth Proportional to 52,079.69, 78,119.64 and 18,823.24

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Solution

The fourth proportional to 52,079.69, 78,119.64 and 18,823.24 is: 28,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,079.69 : 78,119.64 = 18,823.24 : x
  2. Step 2: Convert to fraction form
    52,079.69/78,119.64 = 18,823.24/x
  3. Step 3: Cross multiply
    52,079.69x = 78,119.64 × 18,823.24
  4. Step 4: Simplify right side
    52,079.69x = 1,470,464,537.13
  5. Step 5: Solve for x
    x = 1,470,464,537.13/52,079.69
  6. Step 6: Final answer
    x = 28,234.89

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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.