Home / 101,614.24-140,232.68-61,327.36

Finding the Fourth Proportional to 101,614.24, 140,232.68 and 61,327.36

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Solution

The fourth proportional to 101,614.24, 140,232.68 and 61,327.36 is: 84,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,614.24 : 140,232.68 = 61,327.36 : x
  2. Step 2: Convert to fraction form
    101,614.24/140,232.68 = 61,327.36/x
  3. Step 3: Cross multiply
    101,614.24x = 140,232.68 × 61,327.36
  4. Step 4: Simplify right side
    101,614.24x = 8,600,100,050.12
  5. Step 5: Solve for x
    x = 8,600,100,050.12/101,614.24
  6. Step 6: Final answer
    x = 84,634.79

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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.