Home / 77,604.37-116,381.95-33,219.20

Finding the Fourth Proportional to 77,604.37, 116,381.95 and 33,219.20

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Solution

The fourth proportional to 77,604.37, 116,381.95 and 33,219.20 is: 49,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,604.37 : 116,381.95 = 33,219.20 : x
  2. Step 2: Convert to fraction form
    77,604.37/116,381.95 = 33,219.20/x
  3. Step 3: Cross multiply
    77,604.37x = 116,381.95 × 33,219.20
  4. Step 4: Simplify right side
    77,604.37x = 3,866,115,107.34
  5. Step 5: Solve for x
    x = 3,866,115,107.34/77,604.37
  6. Step 6: Final answer
    x = 49,818.27

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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.