Home / 69,114.24-103,670.82-19,195.02

Finding the Fourth Proportional to 69,114.24, 103,670.82 and 19,195.02

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Solution

The fourth proportional to 69,114.24, 103,670.82 and 19,195.02 is: 28,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,114.24 : 103,670.82 = 19,195.02 : x
  2. Step 2: Convert to fraction form
    69,114.24/103,670.82 = 19,195.02/x
  3. Step 3: Cross multiply
    69,114.24x = 103,670.82 × 19,195.02
  4. Step 4: Simplify right side
    69,114.24x = 1,989,963,463.32
  5. Step 5: Solve for x
    x = 1,989,963,463.32/69,114.24
  6. Step 6: Final answer
    x = 28,792.38

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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.