Home / 50,587.20-75,692.84-31,779.18

Finding the Fourth Proportional to 50,587.20, 75,692.84 and 31,779.18

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Solution

The fourth proportional to 50,587.20, 75,692.84 and 31,779.18 is: 47,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,587.20 : 75,692.84 = 31,779.18 : x
  2. Step 2: Convert to fraction form
    50,587.20/75,692.84 = 31,779.18/x
  3. Step 3: Cross multiply
    50,587.20x = 75,692.84 × 31,779.18
  4. Step 4: Simplify right side
    50,587.20x = 2,405,456,387.07
  5. Step 5: Solve for x
    x = 2,405,456,387.07/50,587.20
  6. Step 6: Final answer
    x = 47,550.69

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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.