Home / 54,311.20-81,466.80-46,109.95

Finding the Fourth Proportional to 54,311.20, 81,466.80 and 46,109.95

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Solution

The fourth proportional to 54,311.20, 81,466.80 and 46,109.95 is: 69,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.20 : 81,466.80 = 46,109.95 : x
  2. Step 2: Convert to fraction form
    54,311.20/81,466.80 = 46,109.95/x
  3. Step 3: Cross multiply
    54,311.20x = 81,466.80 × 46,109.95
  4. Step 4: Simplify right side
    54,311.20x = 3,756,430,074.66
  5. Step 5: Solve for x
    x = 3,756,430,074.66/54,311.20
  6. Step 6: Final answer
    x = 69,164.93

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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.