Home / 81,048.58-111,848.80-44,749.91

Finding the Fourth Proportional to 81,048.58, 111,848.80 and 44,749.91

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Solution

The fourth proportional to 81,048.58, 111,848.80 and 44,749.91 is: 61,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,048.58 : 111,848.80 = 44,749.91 : x
  2. Step 2: Convert to fraction form
    81,048.58/111,848.80 = 44,749.91/x
  3. Step 3: Cross multiply
    81,048.58x = 111,848.80 × 44,749.91
  4. Step 4: Simplify right side
    81,048.58x = 5,005,223,230.30
  5. Step 5: Solve for x
    x = 5,005,223,230.30/81,048.58
  6. Step 6: Final answer
    x = 61,755.84

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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.