Home / 76,096.20-113,594.37-66,765

Finding the Fourth Proportional to 76,096.20, 113,594.37 and 66,765

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Solution

The fourth proportional to 76,096.20, 113,594.37 and 66,765 is: 99,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,096.20 : 113,594.37 = 66,765 : x
  2. Step 2: Convert to fraction form
    76,096.20/113,594.37 = 66,765/x
  3. Step 3: Cross multiply
    76,096.20x = 113,594.37 × 66,765
  4. Step 4: Simplify right side
    76,096.20x = 7,584,128,113.05
  5. Step 5: Solve for x
    x = 7,584,128,113.05/76,096.20
  6. Step 6: Final answer
    x = 99,665.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.