Home / 75,772.31-104,563.77-41,780.22

Finding the Fourth Proportional to 75,772.31, 104,563.77 and 41,780.22

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Solution

The fourth proportional to 75,772.31, 104,563.77 and 41,780.22 is: 57,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,772.31 : 104,563.77 = 41,780.22 : x
  2. Step 2: Convert to fraction form
    75,772.31/104,563.77 = 41,780.22/x
  3. Step 3: Cross multiply
    75,772.31x = 104,563.77 × 41,780.22
  4. Step 4: Simplify right side
    75,772.31x = 4,368,696,791.81
  5. Step 5: Solve for x
    x = 4,368,696,791.81/75,772.31
  6. Step 6: Final answer
    x = 57,655.59

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1.5x scale

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.