Home / 75,780.34-104,574.47-41,790.26

Finding the Fourth Proportional to 75,780.34, 104,574.47 and 41,790.26

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Solution

The fourth proportional to 75,780.34, 104,574.47 and 41,790.26 is: 57,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,780.34 : 104,574.47 = 41,790.26 : x
  2. Step 2: Convert to fraction form
    75,780.34/104,574.47 = 41,790.26/x
  3. Step 3: Cross multiply
    75,780.34x = 104,574.47 × 41,790.26
  4. Step 4: Simplify right side
    75,780.34x = 4,370,194,460.68
  5. Step 5: Solve for x
    x = 4,370,194,460.68/75,780.34
  6. Step 6: Final answer
    x = 57,669.24

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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.