Home / 76,312.86-114,467.93-31,324.44

Finding the Fourth Proportional to 76,312.86, 114,467.93 and 31,324.44

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Solution

The fourth proportional to 76,312.86, 114,467.93 and 31,324.44 is: 46,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,312.86 : 114,467.93 = 31,324.44 : x
  2. Step 2: Convert to fraction form
    76,312.86/114,467.93 = 31,324.44/x
  3. Step 3: Cross multiply
    76,312.86x = 114,467.93 × 31,324.44
  4. Step 4: Simplify right side
    76,312.86x = 3,585,643,648.59
  5. Step 5: Solve for x
    x = 3,585,643,648.59/76,312.86
  6. Step 6: Final answer
    x = 46,986.10

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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.