Home / 46,161.16-69,214.03-21,169.90

Finding the Fourth Proportional to 46,161.16, 69,214.03 and 21,169.90

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Solution

The fourth proportional to 46,161.16, 69,214.03 and 21,169.90 is: 31,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,161.16 : 69,214.03 = 21,169.90 : x
  2. Step 2: Convert to fraction form
    46,161.16/69,214.03 = 21,169.90/x
  3. Step 3: Cross multiply
    46,161.16x = 69,214.03 × 21,169.90
  4. Step 4: Simplify right side
    46,161.16x = 1,465,254,093.70
  5. Step 5: Solve for x
    x = 1,465,254,093.70/46,161.16
  6. Step 6: Final answer
    x = 31,742.14

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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.