Home / 69,119.04-103,616.82-26,989.32

Finding the Fourth Proportional to 69,119.04, 103,616.82 and 26,989.32

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Solution

The fourth proportional to 69,119.04, 103,616.82 and 26,989.32 is: 40,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,119.04 : 103,616.82 = 26,989.32 : x
  2. Step 2: Convert to fraction form
    69,119.04/103,616.82 = 26,989.32/x
  3. Step 3: Cross multiply
    69,119.04x = 103,616.82 × 26,989.32
  4. Step 4: Simplify right side
    69,119.04x = 2,796,547,512.36
  5. Step 5: Solve for x
    x = 2,796,547,512.36/69,119.04
  6. Step 6: Final answer
    x = 40,459.87

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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.