Home / 51,379.25-77,075.01-21,793.23

Finding the Fourth Proportional to 51,379.25, 77,075.01 and 21,793.23

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Solution

The fourth proportional to 51,379.25, 77,075.01 and 21,793.23 is: 32,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,379.25 : 77,075.01 = 21,793.23 : x
  2. Step 2: Convert to fraction form
    51,379.25/77,075.01 = 21,793.23/x
  3. Step 3: Cross multiply
    51,379.25x = 77,075.01 × 21,793.23
  4. Step 4: Simplify right side
    51,379.25x = 1,679,713,420.18
  5. Step 5: Solve for x
    x = 1,679,713,420.18/51,379.25
  6. Step 6: Final answer
    x = 32,692.45

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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.