Home / 75,005.09-112,511.75-22,418.67

Finding the Fourth Proportional to 75,005.09, 112,511.75 and 22,418.67

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Solution

The fourth proportional to 75,005.09, 112,511.75 and 22,418.67 is: 33,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,005.09 : 112,511.75 = 22,418.67 : x
  2. Step 2: Convert to fraction form
    75,005.09/112,511.75 = 22,418.67/x
  3. Step 3: Cross multiply
    75,005.09x = 112,511.75 × 22,418.67
  4. Step 4: Simplify right side
    75,005.09x = 2,522,364,104.20
  5. Step 5: Solve for x
    x = 2,522,364,104.20/75,005.09
  6. Step 6: Final answer
    x = 33,629.24

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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.