Home / 77,743.20-116,586.08-27,809.76

Finding the Fourth Proportional to 77,743.20, 116,586.08 and 27,809.76

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Solution

The fourth proportional to 77,743.20, 116,586.08 and 27,809.76 is: 41,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,743.20 : 116,586.08 = 27,809.76 : x
  2. Step 2: Convert to fraction form
    77,743.20/116,586.08 = 27,809.76/x
  3. Step 3: Cross multiply
    77,743.20x = 116,586.08 × 27,809.76
  4. Step 4: Simplify right side
    77,743.20x = 3,242,230,904.14
  5. Step 5: Solve for x
    x = 3,242,230,904.14/77,743.20
  6. Step 6: Final answer
    x = 41,704.37

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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.