Home / 46,432.80-69,640.20-13,144.68

Finding the Fourth Proportional to 46,432.80, 69,640.20 and 13,144.68

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Solution

The fourth proportional to 46,432.80, 69,640.20 and 13,144.68 is: 19,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,432.80 : 69,640.20 = 13,144.68 : x
  2. Step 2: Convert to fraction form
    46,432.80/69,640.20 = 13,144.68/x
  3. Step 3: Cross multiply
    46,432.80x = 69,640.20 × 13,144.68
  4. Step 4: Simplify right side
    46,432.80x = 915,398,144.14
  5. Step 5: Solve for x
    x = 915,398,144.14/46,432.80
  6. Step 6: Final answer
    x = 19,714.47

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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.