Home / 76,143.41-114,222.72-26,216.90

Finding the Fourth Proportional to 76,143.41, 114,222.72 and 26,216.90

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Solution

The fourth proportional to 76,143.41, 114,222.72 and 26,216.90 is: 39,327.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,143.41 : 114,222.72 = 26,216.90 : x
  2. Step 2: Convert to fraction form
    76,143.41/114,222.72 = 26,216.90/x
  3. Step 3: Cross multiply
    76,143.41x = 114,222.72 × 26,216.90
  4. Step 4: Simplify right side
    76,143.41x = 2,994,565,627.97
  5. Step 5: Solve for x
    x = 2,994,565,627.97/76,143.41
  6. Step 6: Final answer
    x = 39,327.97

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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.