Home / 75,120.27-112,673.07-19,716.27

Finding the Fourth Proportional to 75,120.27, 112,673.07 and 19,716.27

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Solution

The fourth proportional to 75,120.27, 112,673.07 and 19,716.27 is: 29,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,120.27 : 112,673.07 = 19,716.27 : x
  2. Step 2: Convert to fraction form
    75,120.27/112,673.07 = 19,716.27/x
  3. Step 3: Cross multiply
    75,120.27x = 112,673.07 × 19,716.27
  4. Step 4: Simplify right side
    75,120.27x = 2,221,492,669.85
  5. Step 5: Solve for x
    x = 2,221,492,669.85/75,120.27
  6. Step 6: Final answer
    x = 29,572.48

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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.