Home / 46,249.34-69,371.57-12,971.70

Finding the Fourth Proportional to 46,249.34, 69,371.57 and 12,971.70

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Solution

The fourth proportional to 46,249.34, 69,371.57 and 12,971.70 is: 19,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,249.34 : 69,371.57 = 12,971.70 : x
  2. Step 2: Convert to fraction form
    46,249.34/69,371.57 = 12,971.70/x
  3. Step 3: Cross multiply
    46,249.34x = 69,371.57 × 12,971.70
  4. Step 4: Simplify right side
    46,249.34x = 899,867,129.71
  5. Step 5: Solve for x
    x = 899,867,129.71/46,249.34
  6. Step 6: Final answer
    x = 19,456.87

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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.