Home / 75,865.89-104,693.85-41,875.02

Finding the Fourth Proportional to 75,865.89, 104,693.85 and 41,875.02

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Solution

The fourth proportional to 75,865.89, 104,693.85 and 41,875.02 is: 57,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865.89 : 104,693.85 = 41,875.02 : x
  2. Step 2: Convert to fraction form
    75,865.89/104,693.85 = 41,875.02/x
  3. Step 3: Cross multiply
    75,865.89x = 104,693.85 × 41,875.02
  4. Step 4: Simplify right side
    75,865.89x = 4,384,057,062.63
  5. Step 5: Solve for x
    x = 4,384,057,062.63/75,865.89
  6. Step 6: Final answer
    x = 57,786.94

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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.