Home / 86,768.31-130,163-24,438.81

Finding the Fourth Proportional to 86,768.31, 130,163 and 24,438.81

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Solution

The fourth proportional to 86,768.31, 130,163 and 24,438.81 is: 36,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,768.31 : 130,163 = 24,438.81 : x
  2. Step 2: Convert to fraction form
    86,768.31/130,163 = 24,438.81/x
  3. Step 3: Cross multiply
    86,768.31x = 130,163 × 24,438.81
  4. Step 4: Simplify right side
    86,768.31x = 3,181,028,826.03
  5. Step 5: Solve for x
    x = 3,181,028,826.03/86,768.31
  6. Step 6: Final answer
    x = 36,661.18

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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.