Home / 75,268.54-103,870.47-43,437.43

Finding the Fourth Proportional to 75,268.54, 103,870.47 and 43,437.43

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Solution

The fourth proportional to 75,268.54, 103,870.47 and 43,437.43 is: 59,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,268.54 : 103,870.47 = 43,437.43 : x
  2. Step 2: Convert to fraction form
    75,268.54/103,870.47 = 43,437.43/x
  3. Step 3: Cross multiply
    75,268.54x = 103,870.47 × 43,437.43
  4. Step 4: Simplify right side
    75,268.54x = 4,511,866,269.69
  5. Step 5: Solve for x
    x = 4,511,866,269.69/75,268.54
  6. Step 6: Final answer
    x = 59,943.59

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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.