Home / 75,493.07-113,236.36-19,334.69

Finding the Fourth Proportional to 75,493.07, 113,236.36 and 19,334.69

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Solution

The fourth proportional to 75,493.07, 113,236.36 and 19,334.69 is: 29,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,493.07 : 113,236.36 = 19,334.69 : x
  2. Step 2: Convert to fraction form
    75,493.07/113,236.36 = 19,334.69/x
  3. Step 3: Cross multiply
    75,493.07x = 113,236.36 × 19,334.69
  4. Step 4: Simplify right side
    75,493.07x = 2,189,389,302.81
  5. Step 5: Solve for x
    x = 2,189,389,302.81/75,493.07
  6. Step 6: Final answer
    x = 29,001.20

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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.