Home / 69,966.36-104,918.66-20,035.12

Finding the Fourth Proportional to 69,966.36, 104,918.66 and 20,035.12

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Solution

The fourth proportional to 69,966.36, 104,918.66 and 20,035.12 is: 30,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,966.36 : 104,918.66 = 20,035.12 : x
  2. Step 2: Convert to fraction form
    69,966.36/104,918.66 = 20,035.12/x
  3. Step 3: Cross multiply
    69,966.36x = 104,918.66 × 20,035.12
  4. Step 4: Simplify right side
    69,966.36x = 2,102,057,943.34
  5. Step 5: Solve for x
    x = 2,102,057,943.34/69,966.36
  6. Step 6: Final answer
    x = 30,043.84

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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.