Home / 77,387.97-116,091.41-30,003.87

Finding the Fourth Proportional to 77,387.97, 116,091.41 and 30,003.87

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Solution

The fourth proportional to 77,387.97, 116,091.41 and 30,003.87 is: 45,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,387.97 : 116,091.41 = 30,003.87 : x
  2. Step 2: Convert to fraction form
    77,387.97/116,091.41 = 30,003.87/x
  3. Step 3: Cross multiply
    77,387.97x = 116,091.41 × 30,003.87
  4. Step 4: Simplify right side
    77,387.97x = 3,483,191,423.74
  5. Step 5: Solve for x
    x = 3,483,191,423.74/77,387.97
  6. Step 6: Final answer
    x = 45,009.47

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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.