Home / 76,360.34-114,540.65-31,350.36

Finding the Fourth Proportional to 76,360.34, 114,540.65 and 31,350.36

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Solution

The fourth proportional to 76,360.34, 114,540.65 and 31,350.36 is: 47,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,360.34 : 114,540.65 = 31,350.36 : x
  2. Step 2: Convert to fraction form
    76,360.34/114,540.65 = 31,350.36/x
  3. Step 3: Cross multiply
    76,360.34x = 114,540.65 × 31,350.36
  4. Step 4: Simplify right side
    76,360.34x = 3,590,890,124.21
  5. Step 5: Solve for x
    x = 3,590,890,124.21/76,360.34
  6. Step 6: Final answer
    x = 47,025.59

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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.