Home / 81,973.30-123,075.15-50,869.30

Finding the Fourth Proportional to 81,973.30, 123,075.15 and 50,869.30

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Solution

The fourth proportional to 81,973.30, 123,075.15 and 50,869.30 is: 76,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973.30 : 123,075.15 = 50,869.30 : x
  2. Step 2: Convert to fraction form
    81,973.30/123,075.15 = 50,869.30/x
  3. Step 3: Cross multiply
    81,973.30x = 123,075.15 × 50,869.30
  4. Step 4: Simplify right side
    81,973.30x = 6,260,746,727.90
  5. Step 5: Solve for x
    x = 6,260,746,727.90/81,973.30
  6. Step 6: Final answer
    x = 76,375.44

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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.