Home / 42,629.73-58,810.36-40,653.33

Finding the Fourth Proportional to 42,629.73, 58,810.36 and 40,653.33

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Solution

The fourth proportional to 42,629.73, 58,810.36 and 40,653.33 is: 56,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629.73 : 58,810.36 = 40,653.33 : x
  2. Step 2: Convert to fraction form
    42,629.73/58,810.36 = 40,653.33/x
  3. Step 3: Cross multiply
    42,629.73x = 58,810.36 × 40,653.33
  4. Step 4: Simplify right side
    42,629.73x = 2,390,836,972.50
  5. Step 5: Solve for x
    x = 2,390,836,972.50/42,629.73
  6. Step 6: Final answer
    x = 56,083.79

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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.