Home / 77,514.10-116,297.03-30,130.79

Finding the Fourth Proportional to 77,514.10, 116,297.03 and 30,130.79

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Solution

The fourth proportional to 77,514.10, 116,297.03 and 30,130.79 is: 45,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,514.10 : 116,297.03 = 30,130.79 : x
  2. Step 2: Convert to fraction form
    77,514.10/116,297.03 = 30,130.79/x
  3. Step 3: Cross multiply
    77,514.10x = 116,297.03 × 30,130.79
  4. Step 4: Simplify right side
    77,514.10x = 3,504,120,882.40
  5. Step 5: Solve for x
    x = 3,504,120,882.40/77,514.10
  6. Step 6: Final answer
    x = 45,206.24

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1.5x scale

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.