Home / 81,048.20-111,848.28-44,749.53

Finding the Fourth Proportional to 81,048.20, 111,848.28 and 44,749.53

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Solution

The fourth proportional to 81,048.20, 111,848.28 and 44,749.53 is: 61,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,048.20 : 111,848.28 = 44,749.53 : x
  2. Step 2: Convert to fraction form
    81,048.20/111,848.28 = 44,749.53/x
  3. Step 3: Cross multiply
    81,048.20x = 111,848.28 × 44,749.53
  4. Step 4: Simplify right side
    81,048.20x = 5,005,158,045.21
  5. Step 5: Solve for x
    x = 5,005,158,045.21/81,048.20
  6. Step 6: Final answer
    x = 61,755.32

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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.