Home / 77,533.74-116,301.15-30,786.48

Finding the Fourth Proportional to 77,533.74, 116,301.15 and 30,786.48

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Solution

The fourth proportional to 77,533.74, 116,301.15 and 30,786.48 is: 46,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,533.74 : 116,301.15 = 30,786.48 : x
  2. Step 2: Convert to fraction form
    77,533.74/116,301.15 = 30,786.48/x
  3. Step 3: Cross multiply
    77,533.74x = 116,301.15 × 30,786.48
  4. Step 4: Simplify right side
    77,533.74x = 3,580,503,028.45
  5. Step 5: Solve for x
    x = 3,580,503,028.45/77,533.74
  6. Step 6: Final answer
    x = 46,179.93

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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.