Home / 105,378.42-145,426.01-60,063.24

Finding the Fourth Proportional to 105,378.42, 145,426.01 and 60,063.24

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Solution

The fourth proportional to 105,378.42, 145,426.01 and 60,063.24 is: 82,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,378.42 : 145,426.01 = 60,063.24 : x
  2. Step 2: Convert to fraction form
    105,378.42/145,426.01 = 60,063.24/x
  3. Step 3: Cross multiply
    105,378.42x = 145,426.01 × 60,063.24
  4. Step 4: Simplify right side
    105,378.42x = 8,734,757,040.56
  5. Step 5: Solve for x
    x = 8,734,757,040.56/105,378.42
  6. Step 6: Final answer
    x = 82,889.43

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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.