Home / 54,140.64-81,014.10-44,692.80

Finding the Fourth Proportional to 54,140.64, 81,014.10 and 44,692.80

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Solution

The fourth proportional to 54,140.64, 81,014.10 and 44,692.80 is: 66,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140.64 : 81,014.10 = 44,692.80 : x
  2. Step 2: Convert to fraction form
    54,140.64/81,014.10 = 44,692.80/x
  3. Step 3: Cross multiply
    54,140.64x = 81,014.10 × 44,692.80
  4. Step 4: Simplify right side
    54,140.64x = 3,620,746,968.48
  5. Step 5: Solve for x
    x = 3,620,746,968.48/54,140.64
  6. Step 6: Final answer
    x = 66,876.69

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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.