Home / 86,163.51-129,245.28-51,084.03

Finding the Fourth Proportional to 86,163.51, 129,245.28 and 51,084.03

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Solution

The fourth proportional to 86,163.51, 129,245.28 and 51,084.03 is: 76,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,163.51 : 129,245.28 = 51,084.03 : x
  2. Step 2: Convert to fraction form
    86,163.51/129,245.28 = 51,084.03/x
  3. Step 3: Cross multiply
    86,163.51x = 129,245.28 × 51,084.03
  4. Step 4: Simplify right side
    86,163.51x = 6,602,369,760.88
  5. Step 5: Solve for x
    x = 6,602,369,760.88/86,163.51
  6. Step 6: Final answer
    x = 76,626.05

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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.