Home / 77,941.25-116,865.03-30,499.76

Finding the Fourth Proportional to 77,941.25, 116,865.03 and 30,499.76

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Solution

The fourth proportional to 77,941.25, 116,865.03 and 30,499.76 is: 45,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,941.25 : 116,865.03 = 30,499.76 : x
  2. Step 2: Convert to fraction form
    77,941.25/116,865.03 = 30,499.76/x
  3. Step 3: Cross multiply
    77,941.25x = 116,865.03 × 30,499.76
  4. Step 4: Simplify right side
    77,941.25x = 3,564,354,945.00
  5. Step 5: Solve for x
    x = 3,564,354,945.00/77,941.25
  6. Step 6: Final answer
    x = 45,731.30

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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.