Home / 97,075.57-133,942.13-54,618.61

Finding the Fourth Proportional to 97,075.57, 133,942.13 and 54,618.61

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Solution

The fourth proportional to 97,075.57, 133,942.13 and 54,618.61 is: 75,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,075.57 : 133,942.13 = 54,618.61 : x
  2. Step 2: Convert to fraction form
    97,075.57/133,942.13 = 54,618.61/x
  3. Step 3: Cross multiply
    97,075.57x = 133,942.13 × 54,618.61
  4. Step 4: Simplify right side
    97,075.57x = 7,315,732,687.95
  5. Step 5: Solve for x
    x = 7,315,732,687.95/97,075.57
  6. Step 6: Final answer
    x = 75,361.21

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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.