Home / 44,117.60-66,139.21-19,138.82

Finding the Fourth Proportional to 44,117.60, 66,139.21 and 19,138.82

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Solution

The fourth proportional to 44,117.60, 66,139.21 and 19,138.82 is: 28,692.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,117.60 : 66,139.21 = 19,138.82 : x
  2. Step 2: Convert to fraction form
    44,117.60/66,139.21 = 19,138.82/x
  3. Step 3: Cross multiply
    44,117.60x = 66,139.21 × 19,138.82
  4. Step 4: Simplify right side
    44,117.60x = 1,265,826,434.30
  5. Step 5: Solve for x
    x = 1,265,826,434.30/44,117.60
  6. Step 6: Final answer
    x = 28,692.09

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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.