Home / 75,185.83-112,778.54-33,603.67

Finding the Fourth Proportional to 75,185.83, 112,778.54 and 33,603.67

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Solution

The fourth proportional to 75,185.83, 112,778.54 and 33,603.67 is: 50,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,185.83 : 112,778.54 = 33,603.67 : x
  2. Step 2: Convert to fraction form
    75,185.83/112,778.54 = 33,603.67/x
  3. Step 3: Cross multiply
    75,185.83x = 112,778.54 × 33,603.67
  4. Step 4: Simplify right side
    75,185.83x = 3,789,772,841.24
  5. Step 5: Solve for x
    x = 3,789,772,841.24/75,185.83
  6. Step 6: Final answer
    x = 50,405.41

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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.