Home / 42,116.03-63,119.41-17,126.99

Finding the Fourth Proportional to 42,116.03, 63,119.41 and 17,126.99

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Solution

The fourth proportional to 42,116.03, 63,119.41 and 17,126.99 is: 25,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,116.03 : 63,119.41 = 17,126.99 : x
  2. Step 2: Convert to fraction form
    42,116.03/63,119.41 = 17,126.99/x
  3. Step 3: Cross multiply
    42,116.03x = 63,119.41 × 17,126.99
  4. Step 4: Simplify right side
    42,116.03x = 1,081,045,145.46
  5. Step 5: Solve for x
    x = 1,081,045,145.46/42,116.03
  6. Step 6: Final answer
    x = 25,668.26

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1.5x scale

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.