Home / 76,075.69-113,556.16-67,097.79

Finding the Fourth Proportional to 76,075.69, 113,556.16 and 67,097.79

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Solution

The fourth proportional to 76,075.69, 113,556.16 and 67,097.79 is: 100,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,075.69 : 113,556.16 = 67,097.79 : x
  2. Step 2: Convert to fraction form
    76,075.69/113,556.16 = 67,097.79/x
  3. Step 3: Cross multiply
    76,075.69x = 113,556.16 × 67,097.79
  4. Step 4: Simplify right side
    76,075.69x = 7,619,366,473.62
  5. Step 5: Solve for x
    x = 7,619,366,473.62/76,075.69
  6. Step 6: Final answer
    x = 100,155.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.