Home / 86,642.46-119,568.56-50,858.28

Finding the Fourth Proportional to 86,642.46, 119,568.56 and 50,858.28

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Solution

The fourth proportional to 86,642.46, 119,568.56 and 50,858.28 is: 70,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,642.46 : 119,568.56 = 50,858.28 : x
  2. Step 2: Convert to fraction form
    86,642.46/119,568.56 = 50,858.28/x
  3. Step 3: Cross multiply
    86,642.46x = 119,568.56 × 50,858.28
  4. Step 4: Simplify right side
    86,642.46x = 6,081,051,049.39
  5. Step 5: Solve for x
    x = 6,081,051,049.39/86,642.46
  6. Step 6: Final answer
    x = 70,185.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.