Home / 77,660.09-116,467.57-30,264.60

Finding the Fourth Proportional to 77,660.09, 116,467.57 and 30,264.60

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Solution

The fourth proportional to 77,660.09, 116,467.57 and 30,264.60 is: 45,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,660.09 : 116,467.57 = 30,264.60 : x
  2. Step 2: Convert to fraction form
    77,660.09/116,467.57 = 30,264.60/x
  3. Step 3: Cross multiply
    77,660.09x = 116,467.57 × 30,264.60
  4. Step 4: Simplify right side
    77,660.09x = 3,524,844,419.02
  5. Step 5: Solve for x
    x = 3,524,844,419.02/77,660.09
  6. Step 6: Final answer
    x = 45,388.11

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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.