Home / 43,922.80-65,692.20-39,276.40

Finding the Fourth Proportional to 43,922.80, 65,692.20 and 39,276.40

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Solution

The fourth proportional to 43,922.80, 65,692.20 and 39,276.40 is: 58,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,922.80 : 65,692.20 = 39,276.40 : x
  2. Step 2: Convert to fraction form
    43,922.80/65,692.20 = 39,276.40/x
  3. Step 3: Cross multiply
    43,922.80x = 65,692.20 × 39,276.40
  4. Step 4: Simplify right side
    43,922.80x = 2,580,153,124.08
  5. Step 5: Solve for x
    x = 2,580,153,124.08/43,922.80
  6. Step 6: Final answer
    x = 58,742.91

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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.