Home / 67,032.05-100,548-17,112.15

Finding the Fourth Proportional to 67,032.05, 100,548 and 17,112.15

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Solution

The fourth proportional to 67,032.05, 100,548 and 17,112.15 is: 25,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,032.05 : 100,548 = 17,112.15 : x
  2. Step 2: Convert to fraction form
    67,032.05/100,548 = 17,112.15/x
  3. Step 3: Cross multiply
    67,032.05x = 100,548 × 17,112.15
  4. Step 4: Simplify right side
    67,032.05x = 1,720,592,458.20
  5. Step 5: Solve for x
    x = 1,720,592,458.20/67,032.05
  6. Step 6: Final answer
    x = 25,668.21

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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.