Home / 88,716.85-133,075.28-82,841.65

Finding the Fourth Proportional to 88,716.85, 133,075.28 and 82,841.65

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Solution

The fourth proportional to 88,716.85, 133,075.28 and 82,841.65 is: 124,262.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,716.85 : 133,075.28 = 82,841.65 : x
  2. Step 2: Convert to fraction form
    88,716.85/133,075.28 = 82,841.65/x
  3. Step 3: Cross multiply
    88,716.85x = 133,075.28 × 82,841.65
  4. Step 4: Simplify right side
    88,716.85x = 11,024,175,355.20
  5. Step 5: Solve for x
    x = 11,024,175,355.20/88,716.85
  6. Step 6: Final answer
    x = 124,262.48

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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.