Home / 77,040.09-115,577.88-32,668.56

Finding the Fourth Proportional to 77,040.09, 115,577.88 and 32,668.56

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Solution

The fourth proportional to 77,040.09, 115,577.88 and 32,668.56 is: 49,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,040.09 : 115,577.88 = 32,668.56 : x
  2. Step 2: Convert to fraction form
    77,040.09/115,577.88 = 32,668.56/x
  3. Step 3: Cross multiply
    77,040.09x = 115,577.88 × 32,668.56
  4. Step 4: Simplify right side
    77,040.09x = 3,775,762,907.45
  5. Step 5: Solve for x
    x = 3,775,762,907.45/77,040.09
  6. Step 6: Final answer
    x = 49,010.36

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1.5x scale

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.