Home / 81,147.80-111,983.64-44,848.22

Finding the Fourth Proportional to 81,147.80, 111,983.64 and 44,848.22

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Solution

The fourth proportional to 81,147.80, 111,983.64 and 44,848.22 is: 61,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,147.80 : 111,983.64 = 44,848.22 : x
  2. Step 2: Convert to fraction form
    81,147.80/111,983.64 = 44,848.22/x
  3. Step 3: Cross multiply
    81,147.80x = 111,983.64 × 44,848.22
  4. Step 4: Simplify right side
    81,147.80x = 5,022,266,923.12
  5. Step 5: Solve for x
    x = 5,022,266,923.12/81,147.80
  6. Step 6: Final answer
    x = 61,890.36

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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.