Home / 95,075.87-142,408.78-89,486.39

Finding the Fourth Proportional to 95,075.87, 142,408.78 and 89,486.39

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Solution

The fourth proportional to 95,075.87, 142,408.78 and 89,486.39 is: 134,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,075.87 : 142,408.78 = 89,486.39 : x
  2. Step 2: Convert to fraction form
    95,075.87/142,408.78 = 89,486.39/x
  3. Step 3: Cross multiply
    95,075.87x = 142,408.78 × 89,486.39
  4. Step 4: Simplify right side
    95,075.87x = 12,743,647,758.81
  5. Step 5: Solve for x
    x = 12,743,647,758.81/95,075.87
  6. Step 6: Final answer
    x = 134,036.62

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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.