Home / 68,415.30-102,573.27-46,173.78

Finding the Fourth Proportional to 68,415.30, 102,573.27 and 46,173.78

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Solution

The fourth proportional to 68,415.30, 102,573.27 and 46,173.78 is: 69,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,415.30 : 102,573.27 = 46,173.78 : x
  2. Step 2: Convert to fraction form
    68,415.30/102,573.27 = 46,173.78/x
  3. Step 3: Cross multiply
    68,415.30x = 102,573.27 × 46,173.78
  4. Step 4: Simplify right side
    68,415.30x = 4,736,195,602.86
  5. Step 5: Solve for x
    x = 4,736,195,602.86/68,415.30
  6. Step 6: Final answer
    x = 69,227.14

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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.