Home / 76,245.54-114,339.87-31,875.36

Finding the Fourth Proportional to 76,245.54, 114,339.87 and 31,875.36

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Solution

The fourth proportional to 76,245.54, 114,339.87 and 31,875.36 is: 47,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,245.54 : 114,339.87 = 31,875.36 : x
  2. Step 2: Convert to fraction form
    76,245.54/114,339.87 = 31,875.36/x
  3. Step 3: Cross multiply
    76,245.54x = 114,339.87 × 31,875.36
  4. Step 4: Simplify right side
    76,245.54x = 3,644,624,518.60
  5. Step 5: Solve for x
    x = 3,644,624,518.60/76,245.54
  6. Step 6: Final answer
    x = 47,801.15

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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.