Home / 77,020.50-106,288.30-41,692.50

Finding the Fourth Proportional to 77,020.50, 106,288.30 and 41,692.50

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Solution

The fourth proportional to 77,020.50, 106,288.30 and 41,692.50 is: 57,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,020.50 : 106,288.30 = 41,692.50 : x
  2. Step 2: Convert to fraction form
    77,020.50/106,288.30 = 41,692.50/x
  3. Step 3: Cross multiply
    77,020.50x = 106,288.30 × 41,692.50
  4. Step 4: Simplify right side
    77,020.50x = 4,431,424,947.75
  5. Step 5: Solve for x
    x = 4,431,424,947.75/77,020.50
  6. Step 6: Final answer
    x = 57,535.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.