Home / 56,408.77-84,585.39-23,119.78

Finding the Fourth Proportional to 56,408.77, 84,585.39 and 23,119.78

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Solution

The fourth proportional to 56,408.77, 84,585.39 and 23,119.78 is: 34,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,408.77 : 84,585.39 = 23,119.78 : x
  2. Step 2: Convert to fraction form
    56,408.77/84,585.39 = 23,119.78/x
  3. Step 3: Cross multiply
    56,408.77x = 84,585.39 × 23,119.78
  4. Step 4: Simplify right side
    56,408.77x = 1,955,595,608.01
  5. Step 5: Solve for x
    x = 1,955,595,608.01/56,408.77
  6. Step 6: Final answer
    x = 34,668.29

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1.5x scale

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.