Home / 42,122.58-63,220.26-17,176.38

Finding the Fourth Proportional to 42,122.58, 63,220.26 and 17,176.38

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Solution

The fourth proportional to 42,122.58, 63,220.26 and 17,176.38 is: 25,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.58 : 63,220.26 = 17,176.38 : x
  2. Step 2: Convert to fraction form
    42,122.58/63,220.26 = 17,176.38/x
  3. Step 3: Cross multiply
    42,122.58x = 63,220.26 × 17,176.38
  4. Step 4: Simplify right side
    42,122.58x = 1,085,895,209.46
  5. Step 5: Solve for x
    x = 1,085,895,209.46/42,122.58
  6. Step 6: Final answer
    x = 25,779.41

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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.