Home / 43,075.73-64,451.30-38,705.38

Finding the Fourth Proportional to 43,075.73, 64,451.30 and 38,705.38

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Solution

The fourth proportional to 43,075.73, 64,451.30 and 38,705.38 is: 57,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,075.73 : 64,451.30 = 38,705.38 : x
  2. Step 2: Convert to fraction form
    43,075.73/64,451.30 = 38,705.38/x
  3. Step 3: Cross multiply
    43,075.73x = 64,451.30 × 38,705.38
  4. Step 4: Simplify right side
    43,075.73x = 2,494,611,703.34
  5. Step 5: Solve for x
    x = 2,494,611,703.34/43,075.73
  6. Step 6: Final answer
    x = 57,912.23

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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.