Home / 86,825.38-130,248.46-30,653.94

Finding the Fourth Proportional to 86,825.38, 130,248.46 and 30,653.94

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Solution

The fourth proportional to 86,825.38, 130,248.46 and 30,653.94 is: 45,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,825.38 : 130,248.46 = 30,653.94 : x
  2. Step 2: Convert to fraction form
    86,825.38/130,248.46 = 30,653.94/x
  3. Step 3: Cross multiply
    86,825.38x = 130,248.46 × 30,653.94
  4. Step 4: Simplify right side
    86,825.38x = 3,992,628,477.93
  5. Step 5: Solve for x
    x = 3,992,628,477.93/86,825.38
  6. Step 6: Final answer
    x = 45,984.58

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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.