Home / 86,734.14-130,120.33-36,856.87

Finding the Fourth Proportional to 86,734.14, 130,120.33 and 36,856.87

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Solution

The fourth proportional to 86,734.14, 130,120.33 and 36,856.87 is: 55,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,734.14 : 130,120.33 = 36,856.87 : x
  2. Step 2: Convert to fraction form
    86,734.14/130,120.33 = 36,856.87/x
  3. Step 3: Cross multiply
    86,734.14x = 130,120.33 × 36,856.87
  4. Step 4: Simplify right side
    86,734.14x = 4,795,827,995.02
  5. Step 5: Solve for x
    x = 4,795,827,995.02/86,734.14
  6. Step 6: Final answer
    x = 55,293.43

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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.