Home / 86,568.32-119,513.97-65,988.81

Finding the Fourth Proportional to 86,568.32, 119,513.97 and 65,988.81

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Solution

The fourth proportional to 86,568.32, 119,513.97 and 65,988.81 is: 91,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,568.32 : 119,513.97 = 65,988.81 : x
  2. Step 2: Convert to fraction form
    86,568.32/119,513.97 = 65,988.81/x
  3. Step 3: Cross multiply
    86,568.32x = 119,513.97 × 65,988.81
  4. Step 4: Simplify right side
    86,568.32x = 7,886,584,658.68
  5. Step 5: Solve for x
    x = 7,886,584,658.68/86,568.32
  6. Step 6: Final answer
    x = 91,102.43

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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.