Home / 76,725.44-114,968.79-29,314.67

Finding the Fourth Proportional to 76,725.44, 114,968.79 and 29,314.67

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Solution

The fourth proportional to 76,725.44, 114,968.79 and 29,314.67 is: 43,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,725.44 : 114,968.79 = 29,314.67 : x
  2. Step 2: Convert to fraction form
    76,725.44/114,968.79 = 29,314.67/x
  3. Step 3: Cross multiply
    76,725.44x = 114,968.79 × 29,314.67
  4. Step 4: Simplify right side
    76,725.44x = 3,370,272,139.15
  5. Step 5: Solve for x
    x = 3,370,272,139.15/76,725.44
  6. Step 6: Final answer
    x = 43,926.40

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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.