Home / 69,075.84-103,603.46-19,150.74

Finding the Fourth Proportional to 69,075.84, 103,603.46 and 19,150.74

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Solution

The fourth proportional to 69,075.84, 103,603.46 and 19,150.74 is: 28,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,075.84 : 103,603.46 = 19,150.74 : x
  2. Step 2: Convert to fraction form
    69,075.84/103,603.46 = 19,150.74/x
  3. Step 3: Cross multiply
    69,075.84x = 103,603.46 × 19,150.74
  4. Step 4: Simplify right side
    69,075.84x = 1,984,082,925.56
  5. Step 5: Solve for x
    x = 1,984,082,925.56/69,075.84
  6. Step 6: Final answer
    x = 28,723.25

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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.