Home / 76,128.49-114,200.41-26,202.03

Finding the Fourth Proportional to 76,128.49, 114,200.41 and 26,202.03

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Solution

The fourth proportional to 76,128.49, 114,200.41 and 26,202.03 is: 39,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,128.49 : 114,200.41 = 26,202.03 : x
  2. Step 2: Convert to fraction form
    76,128.49/114,200.41 = 26,202.03/x
  3. Step 3: Cross multiply
    76,128.49x = 114,200.41 × 26,202.03
  4. Step 4: Simplify right side
    76,128.49x = 2,992,282,568.83
  5. Step 5: Solve for x
    x = 2,992,282,568.83/76,128.49
  6. Step 6: Final answer
    x = 39,305.69

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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.