Home / 77,401.14-116,112.04-30,643.08

Finding the Fourth Proportional to 77,401.14, 116,112.04 and 30,643.08

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Solution

The fourth proportional to 77,401.14, 116,112.04 and 30,643.08 is: 45,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,401.14 : 116,112.04 = 30,643.08 : x
  2. Step 2: Convert to fraction form
    77,401.14/116,112.04 = 30,643.08/x
  3. Step 3: Cross multiply
    77,401.14x = 116,112.04 × 30,643.08
  4. Step 4: Simplify right side
    77,401.14x = 3,558,030,530.68
  5. Step 5: Solve for x
    x = 3,558,030,530.68/77,401.14
  6. Step 6: Final answer
    x = 45,968.71

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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.