Home / 54,135.60-81,203.40-14,692.65

Finding the Fourth Proportional to 54,135.60, 81,203.40 and 14,692.65

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Solution

The fourth proportional to 54,135.60, 81,203.40 and 14,692.65 is: 22,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.60 : 81,203.40 = 14,692.65 : x
  2. Step 2: Convert to fraction form
    54,135.60/81,203.40 = 14,692.65/x
  3. Step 3: Cross multiply
    54,135.60x = 81,203.40 × 14,692.65
  4. Step 4: Simplify right side
    54,135.60x = 1,193,093,135.01
  5. Step 5: Solve for x
    x = 1,193,093,135.01/54,135.60
  6. Step 6: Final answer
    x = 22,038.98

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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.