Home / 75,075.31-103,602.32-41,083.66

Finding the Fourth Proportional to 75,075.31, 103,602.32 and 41,083.66

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Solution

The fourth proportional to 75,075.31, 103,602.32 and 41,083.66 is: 56,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,075.31 : 103,602.32 = 41,083.66 : x
  2. Step 2: Convert to fraction form
    75,075.31/103,602.32 = 41,083.66/x
  3. Step 3: Cross multiply
    75,075.31x = 103,602.32 × 41,083.66
  4. Step 4: Simplify right side
    75,075.31x = 4,256,362,490.09
  5. Step 5: Solve for x
    x = 4,256,362,490.09/75,075.31
  6. Step 6: Final answer
    x = 56,694.57

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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.