Home / 70,052.07-105,040.96-30,563.05

Finding the Fourth Proportional to 70,052.07, 105,040.96 and 30,563.05

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Solution

The fourth proportional to 70,052.07, 105,040.96 and 30,563.05 is: 45,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,052.07 : 105,040.96 = 30,563.05 : x
  2. Step 2: Convert to fraction form
    70,052.07/105,040.96 = 30,563.05/x
  3. Step 3: Cross multiply
    70,052.07x = 105,040.96 × 30,563.05
  4. Step 4: Simplify right side
    70,052.07x = 3,210,372,112.53
  5. Step 5: Solve for x
    x = 3,210,372,112.53/70,052.07
  6. Step 6: Final answer
    x = 45,828.37

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1.5x scale

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.