Home / 69,614.37-96,072.21-39,388.19

Finding the Fourth Proportional to 69,614.37, 96,072.21 and 39,388.19

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Solution

The fourth proportional to 69,614.37, 96,072.21 and 39,388.19 is: 54,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,614.37 : 96,072.21 = 39,388.19 : x
  2. Step 2: Convert to fraction form
    69,614.37/96,072.21 = 39,388.19/x
  3. Step 3: Cross multiply
    69,614.37x = 96,072.21 × 39,388.19
  4. Step 4: Simplify right side
    69,614.37x = 3,784,109,980.84
  5. Step 5: Solve for x
    x = 3,784,109,980.84/69,614.37
  6. Step 6: Final answer
    x = 54,358.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.