Home / 86,459.07-119,322.69-50,679.14

Finding the Fourth Proportional to 86,459.07, 119,322.69 and 50,679.14

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Solution

The fourth proportional to 86,459.07, 119,322.69 and 50,679.14 is: 69,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,459.07 : 119,322.69 = 50,679.14 : x
  2. Step 2: Convert to fraction form
    86,459.07/119,322.69 = 50,679.14/x
  3. Step 3: Cross multiply
    86,459.07x = 119,322.69 × 50,679.14
  4. Step 4: Simplify right side
    86,459.07x = 6,047,171,609.99
  5. Step 5: Solve for x
    x = 6,047,171,609.99/86,459.07
  6. Step 6: Final answer
    x = 69,942.59

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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.