Home / 76,015.08-104,875.11-44,157.78

Finding the Fourth Proportional to 76,015.08, 104,875.11 and 44,157.78

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Solution

The fourth proportional to 76,015.08, 104,875.11 and 44,157.78 is: 60,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,015.08 : 104,875.11 = 44,157.78 : x
  2. Step 2: Convert to fraction form
    76,015.08/104,875.11 = 44,157.78/x
  3. Step 3: Cross multiply
    76,015.08x = 104,875.11 × 44,157.78
  4. Step 4: Simplify right side
    76,015.08x = 4,631,052,034.86
  5. Step 5: Solve for x
    x = 4,631,052,034.86/76,015.08
  6. Step 6: Final answer
    x = 60,922.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.