Home / 77,370.39-115,973.37-49,201.83

Finding the Fourth Proportional to 77,370.39, 115,973.37 and 49,201.83

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Solution

The fourth proportional to 77,370.39, 115,973.37 and 49,201.83 is: 73,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,370.39 : 115,973.37 = 49,201.83 : x
  2. Step 2: Convert to fraction form
    77,370.39/115,973.37 = 49,201.83/x
  3. Step 3: Cross multiply
    77,370.39x = 115,973.37 × 49,201.83
  4. Step 4: Simplify right side
    77,370.39x = 5,706,102,035.27
  5. Step 5: Solve for x
    x = 5,706,102,035.27/77,370.39
  6. Step 6: Final answer
    x = 73,750.46

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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.