Home / 76,103.44-114,155.93-33,985.67

Finding the Fourth Proportional to 76,103.44, 114,155.93 and 33,985.67

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Solution

The fourth proportional to 76,103.44, 114,155.93 and 33,985.67 is: 50,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,103.44 : 114,155.93 = 33,985.67 : x
  2. Step 2: Convert to fraction form
    76,103.44/114,155.93 = 33,985.67/x
  3. Step 3: Cross multiply
    76,103.44x = 114,155.93 × 33,985.67
  4. Step 4: Simplify right side
    76,103.44x = 3,879,665,024.82
  5. Step 5: Solve for x
    x = 3,879,665,024.82/76,103.44
  6. Step 6: Final answer
    x = 50,978.84

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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.