Home / 77,749.44-116,550.27-30,394.91

Finding the Fourth Proportional to 77,749.44, 116,550.27 and 30,394.91

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Solution

The fourth proportional to 77,749.44, 116,550.27 and 30,394.91 is: 45,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,749.44 : 116,550.27 = 30,394.91 : x
  2. Step 2: Convert to fraction form
    77,749.44/116,550.27 = 30,394.91/x
  3. Step 3: Cross multiply
    77,749.44x = 116,550.27 × 30,394.91
  4. Step 4: Simplify right side
    77,749.44x = 3,542,534,384.37
  5. Step 5: Solve for x
    x = 3,542,534,384.37/77,749.44
  6. Step 6: Final answer
    x = 45,563.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.