Home / 66,969.23-100,455.36-17,049.14

Finding the Fourth Proportional to 66,969.23, 100,455.36 and 17,049.14

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Solution

The fourth proportional to 66,969.23, 100,455.36 and 17,049.14 is: 25,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,969.23 : 100,455.36 = 17,049.14 : x
  2. Step 2: Convert to fraction form
    66,969.23/100,455.36 = 17,049.14/x
  3. Step 3: Cross multiply
    66,969.23x = 100,455.36 × 17,049.14
  4. Step 4: Simplify right side
    66,969.23x = 1,712,677,496.39
  5. Step 5: Solve for x
    x = 1,712,677,496.39/66,969.23
  6. Step 6: Final answer
    x = 25,574.10

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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.