Home / 56,876.82-78,477.98-33,000.46

Finding the Fourth Proportional to 56,876.82, 78,477.98 and 33,000.46

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Solution

The fourth proportional to 56,876.82, 78,477.98 and 33,000.46 is: 45,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,876.82 : 78,477.98 = 33,000.46 : x
  2. Step 2: Convert to fraction form
    56,876.82/78,477.98 = 33,000.46/x
  3. Step 3: Cross multiply
    56,876.82x = 78,477.98 × 33,000.46
  4. Step 4: Simplify right side
    56,876.82x = 2,589,809,439.87
  5. Step 5: Solve for x
    x = 2,589,809,439.87/56,876.82
  6. Step 6: Final answer
    x = 45,533.65

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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.