Home / 104,331.34-143,977.42-56,584.72

Finding the Fourth Proportional to 104,331.34, 143,977.42 and 56,584.72

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Solution

The fourth proportional to 104,331.34, 143,977.42 and 56,584.72 is: 78,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,331.34 : 143,977.42 = 56,584.72 : x
  2. Step 2: Convert to fraction form
    104,331.34/143,977.42 = 56,584.72/x
  3. Step 3: Cross multiply
    104,331.34x = 143,977.42 × 56,584.72
  4. Step 4: Simplify right side
    104,331.34x = 8,146,921,997.02
  5. Step 5: Solve for x
    x = 8,146,921,997.02/104,331.34
  6. Step 6: Final answer
    x = 78,087.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.