Home / 77,661.02-116,494.19-21,496.43

Finding the Fourth Proportional to 77,661.02, 116,494.19 and 21,496.43

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Solution

The fourth proportional to 77,661.02, 116,494.19 and 21,496.43 is: 32,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,661.02 : 116,494.19 = 21,496.43 : x
  2. Step 2: Convert to fraction form
    77,661.02/116,494.19 = 21,496.43/x
  3. Step 3: Cross multiply
    77,661.02x = 116,494.19 × 21,496.43
  4. Step 4: Simplify right side
    77,661.02x = 2,504,209,200.74
  5. Step 5: Solve for x
    x = 2,504,209,200.74/77,661.02
  6. Step 6: Final answer
    x = 32,245.38

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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.