Home / 75,661.04-113,532.84-31,291.64

Finding the Fourth Proportional to 75,661.04, 113,532.84 and 31,291.64

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Solution

The fourth proportional to 75,661.04, 113,532.84 and 31,291.64 is: 46,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,661.04 : 113,532.84 = 31,291.64 : x
  2. Step 2: Convert to fraction form
    75,661.04/113,532.84 = 31,291.64/x
  3. Step 3: Cross multiply
    75,661.04x = 113,532.84 × 31,291.64
  4. Step 4: Simplify right side
    75,661.04x = 3,552,628,757.46
  5. Step 5: Solve for x
    x = 3,552,628,757.46/75,661.04
  6. Step 6: Final answer
    x = 46,954.53

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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.