Home / 69,923.99-96,491.75-39,705.32

Finding the Fourth Proportional to 69,923.99, 96,491.75 and 39,705.32

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Solution

The fourth proportional to 69,923.99, 96,491.75 and 39,705.32 is: 54,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,923.99 : 96,491.75 = 39,705.32 : x
  2. Step 2: Convert to fraction form
    69,923.99/96,491.75 = 39,705.32/x
  3. Step 3: Cross multiply
    69,923.99x = 96,491.75 × 39,705.32
  4. Step 4: Simplify right side
    69,923.99x = 3,831,235,130.12
  5. Step 5: Solve for x
    x = 3,831,235,130.12/69,923.99
  6. Step 6: Final answer
    x = 54,791.43

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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.