Home / 75,544.08-113,329.56-31,146.61

Finding the Fourth Proportional to 75,544.08, 113,329.56 and 31,146.61

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Solution

The fourth proportional to 75,544.08, 113,329.56 and 31,146.61 is: 46,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,544.08 : 113,329.56 = 31,146.61 : x
  2. Step 2: Convert to fraction form
    75,544.08/113,329.56 = 31,146.61/x
  3. Step 3: Cross multiply
    75,544.08x = 113,329.56 × 31,146.61
  4. Step 4: Simplify right side
    75,544.08x = 3,529,831,606.79
  5. Step 5: Solve for x
    x = 3,529,831,606.79/75,544.08
  6. Step 6: Final answer
    x = 46,725.46

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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.