Home / 76,386.44-114,458.47-51,334.36

Finding the Fourth Proportional to 76,386.44, 114,458.47 and 51,334.36

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Solution

The fourth proportional to 76,386.44, 114,458.47 and 51,334.36 is: 76,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,386.44 : 114,458.47 = 51,334.36 : x
  2. Step 2: Convert to fraction form
    76,386.44/114,458.47 = 51,334.36/x
  3. Step 3: Cross multiply
    76,386.44x = 114,458.47 × 51,334.36
  4. Step 4: Simplify right side
    76,386.44x = 5,875,651,889.55
  5. Step 5: Solve for x
    x = 5,875,651,889.55/76,386.44
  6. Step 6: Final answer
    x = 76,920.09

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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.