Home / 76,643.76-114,787.26-73,983.48

Finding the Fourth Proportional to 76,643.76, 114,787.26 and 73,983.48

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Solution

The fourth proportional to 76,643.76, 114,787.26 and 73,983.48 is: 110,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,643.76 : 114,787.26 = 73,983.48 : x
  2. Step 2: Convert to fraction form
    76,643.76/114,787.26 = 73,983.48/x
  3. Step 3: Cross multiply
    76,643.76x = 114,787.26 × 73,983.48
  4. Step 4: Simplify right side
    76,643.76x = 8,492,360,367.95
  5. Step 5: Solve for x
    x = 8,492,360,367.95/76,643.76
  6. Step 6: Final answer
    x = 110,803.03

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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.