Home / 56,583.44-78,085.34-31,091.84

Finding the Fourth Proportional to 56,583.44, 78,085.34 and 31,091.84

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Solution

The fourth proportional to 56,583.44, 78,085.34 and 31,091.84 is: 42,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,583.44 : 78,085.34 = 31,091.84 : x
  2. Step 2: Convert to fraction form
    56,583.44/78,085.34 = 31,091.84/x
  3. Step 3: Cross multiply
    56,583.44x = 78,085.34 × 31,091.84
  4. Step 4: Simplify right side
    56,583.44x = 2,427,816,897.63
  5. Step 5: Solve for x
    x = 2,427,816,897.63/56,583.44
  6. Step 6: Final answer
    x = 42,906.85

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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.