Home / 101,795.48-140,482.19-67,749.56

Finding the Fourth Proportional to 101,795.48, 140,482.19 and 67,749.56

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Solution

The fourth proportional to 101,795.48, 140,482.19 and 67,749.56 is: 93,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,795.48 : 140,482.19 = 67,749.56 : x
  2. Step 2: Convert to fraction form
    101,795.48/140,482.19 = 67,749.56/x
  3. Step 3: Cross multiply
    101,795.48x = 140,482.19 × 67,749.56
  4. Step 4: Simplify right side
    101,795.48x = 9,517,606,560.34
  5. Step 5: Solve for x
    x = 9,517,606,560.34/101,795.48
  6. Step 6: Final answer
    x = 93,497.34

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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.