Home / 56,826.31-78,401.27-36,696.80

Finding the Fourth Proportional to 56,826.31, 78,401.27 and 36,696.80

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Solution

The fourth proportional to 56,826.31, 78,401.27 and 36,696.80 is: 50,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,826.31 : 78,401.27 = 36,696.80 : x
  2. Step 2: Convert to fraction form
    56,826.31/78,401.27 = 36,696.80/x
  3. Step 3: Cross multiply
    56,826.31x = 78,401.27 × 36,696.80
  4. Step 4: Simplify right side
    56,826.31x = 2,877,075,724.94
  5. Step 5: Solve for x
    x = 2,877,075,724.94/56,826.31
  6. Step 6: Final answer
    x = 50,629.29

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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.