Home / 75,568.12-113,303.58-36,124.36

Finding the Fourth Proportional to 75,568.12, 113,303.58 and 36,124.36

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Solution

The fourth proportional to 75,568.12, 113,303.58 and 36,124.36 is: 54,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,568.12 : 113,303.58 = 36,124.36 : x
  2. Step 2: Convert to fraction form
    75,568.12/113,303.58 = 36,124.36/x
  3. Step 3: Cross multiply
    75,568.12x = 113,303.58 × 36,124.36
  4. Step 4: Simplify right side
    75,568.12x = 4,093,019,313.21
  5. Step 5: Solve for x
    x = 4,093,019,313.21/75,568.12
  6. Step 6: Final answer
    x = 54,163.31

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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.