Home / 67,040.64-100,577.58-20,293.65

Finding the Fourth Proportional to 67,040.64, 100,577.58 and 20,293.65

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Solution

The fourth proportional to 67,040.64, 100,577.58 and 20,293.65 is: 30,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,040.64 : 100,577.58 = 20,293.65 : x
  2. Step 2: Convert to fraction form
    67,040.64/100,577.58 = 20,293.65/x
  3. Step 3: Cross multiply
    67,040.64x = 100,577.58 × 20,293.65
  4. Step 4: Simplify right side
    67,040.64x = 2,041,086,206.37
  5. Step 5: Solve for x
    x = 2,041,086,206.37/67,040.64
  6. Step 6: Final answer
    x = 30,445.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.