Home / 52,491.05-78,720.42-15,041.08

Finding the Fourth Proportional to 52,491.05, 78,720.42 and 15,041.08

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Solution

The fourth proportional to 52,491.05, 78,720.42 and 15,041.08 is: 22,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.05 : 78,720.42 = 15,041.08 : x
  2. Step 2: Convert to fraction form
    52,491.05/78,720.42 = 15,041.08/x
  3. Step 3: Cross multiply
    52,491.05x = 78,720.42 × 15,041.08
  4. Step 4: Simplify right side
    52,491.05x = 1,184,040,289.66
  5. Step 5: Solve for x
    x = 1,184,040,289.66/52,491.05
  6. Step 6: Final answer
    x = 22,556.99

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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.