Home / 42,106.71-63,122.90-17,167.62

Finding the Fourth Proportional to 42,106.71, 63,122.90 and 17,167.62

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Solution

The fourth proportional to 42,106.71, 63,122.90 and 17,167.62 is: 25,736.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,106.71 : 63,122.90 = 17,167.62 : x
  2. Step 2: Convert to fraction form
    42,106.71/63,122.90 = 17,167.62/x
  3. Step 3: Cross multiply
    42,106.71x = 63,122.90 × 17,167.62
  4. Step 4: Simplify right side
    42,106.71x = 1,083,669,559.05
  5. Step 5: Solve for x
    x = 1,083,669,559.05/42,106.71
  6. Step 6: Final answer
    x = 25,736.27

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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.