Home / 77,004.37-115,439.07-37,003.43

Finding the Fourth Proportional to 77,004.37, 115,439.07 and 37,003.43

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Solution

The fourth proportional to 77,004.37, 115,439.07 and 37,003.43 is: 55,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,004.37 : 115,439.07 = 37,003.43 : x
  2. Step 2: Convert to fraction form
    77,004.37/115,439.07 = 37,003.43/x
  3. Step 3: Cross multiply
    77,004.37x = 115,439.07 × 37,003.43
  4. Step 4: Simplify right side
    77,004.37x = 4,271,641,973.37
  5. Step 5: Solve for x
    x = 4,271,641,973.37/77,004.37
  6. Step 6: Final answer
    x = 55,472.72

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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.