Home / 46,454.47-69,684.33-13,171.91

Finding the Fourth Proportional to 46,454.47, 69,684.33 and 13,171.91

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Solution

The fourth proportional to 46,454.47, 69,684.33 and 13,171.91 is: 19,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,454.47 : 69,684.33 = 13,171.91 : x
  2. Step 2: Convert to fraction form
    46,454.47/69,684.33 = 13,171.91/x
  3. Step 3: Cross multiply
    46,454.47x = 69,684.33 × 13,171.91
  4. Step 4: Simplify right side
    46,454.47x = 917,875,723.17
  5. Step 5: Solve for x
    x = 917,875,723.17/46,454.47
  6. Step 6: Final answer
    x = 19,758.61

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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.