Home / 54,309.40-81,464.10-46,792.60

Finding the Fourth Proportional to 54,309.40, 81,464.10 and 46,792.60

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Solution

The fourth proportional to 54,309.40, 81,464.10 and 46,792.60 is: 70,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,309.40 : 81,464.10 = 46,792.60 : x
  2. Step 2: Convert to fraction form
    54,309.40/81,464.10 = 46,792.60/x
  3. Step 3: Cross multiply
    54,309.40x = 81,464.10 × 46,792.60
  4. Step 4: Simplify right side
    54,309.40x = 3,811,917,045.66
  5. Step 5: Solve for x
    x = 3,811,917,045.66/54,309.40
  6. Step 6: Final answer
    x = 70,188.90

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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.