Home / 56,910.17-78,533.97-31,415.99

Finding the Fourth Proportional to 56,910.17, 78,533.97 and 31,415.99

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Solution

The fourth proportional to 56,910.17, 78,533.97 and 31,415.99 is: 43,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,910.17 : 78,533.97 = 31,415.99 : x
  2. Step 2: Convert to fraction form
    56,910.17/78,533.97 = 31,415.99/x
  3. Step 3: Cross multiply
    56,910.17x = 78,533.97 × 31,415.99
  4. Step 4: Simplify right side
    56,910.17x = 2,467,222,102.05
  5. Step 5: Solve for x
    x = 2,467,222,102.05/56,910.17
  6. Step 6: Final answer
    x = 43,352.92

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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.