Home / 81,163.21-112,016.36-46,707.24

Finding the Fourth Proportional to 81,163.21, 112,016.36 and 46,707.24

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Solution

The fourth proportional to 81,163.21, 112,016.36 and 46,707.24 is: 64,462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,163.21 : 112,016.36 = 46,707.24 : x
  2. Step 2: Convert to fraction form
    81,163.21/112,016.36 = 46,707.24/x
  3. Step 3: Cross multiply
    81,163.21x = 112,016.36 × 46,707.24
  4. Step 4: Simplify right side
    81,163.21x = 5,231,974,216.83
  5. Step 5: Solve for x
    x = 5,231,974,216.83/81,163.21
  6. Step 6: Final answer
    x = 64,462.39

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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.