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Finding the Fourth Proportional to 69,997.77, 104,991.39 and 17,407.17

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Solution

The fourth proportional to 69,997.77, 104,991.39 and 17,407.17 is: 26,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,997.77 : 104,991.39 = 17,407.17 : x
  2. Step 2: Convert to fraction form
    69,997.77/104,991.39 = 17,407.17/x
  3. Step 3: Cross multiply
    69,997.77x = 104,991.39 × 17,407.17
  4. Step 4: Simplify right side
    69,997.77x = 1,827,602,974.27
  5. Step 5: Solve for x
    x = 1,827,602,974.27/69,997.77
  6. Step 6: Final answer
    x = 26,109.45

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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.