Home / 74,075.74-111,131.31-24,155.90

Finding the Fourth Proportional to 74,075.74, 111,131.31 and 24,155.90

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Solution

The fourth proportional to 74,075.74, 111,131.31 and 24,155.90 is: 36,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,075.74 : 111,131.31 = 24,155.90 : x
  2. Step 2: Convert to fraction form
    74,075.74/111,131.31 = 24,155.90/x
  3. Step 3: Cross multiply
    74,075.74x = 111,131.31 × 24,155.90
  4. Step 4: Simplify right side
    74,075.74x = 2,684,476,811.23
  5. Step 5: Solve for x
    x = 2,684,476,811.23/74,075.74
  6. Step 6: Final answer
    x = 36,239.62

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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.