Home / 70,816.20-106,183.80-26,444.40

Finding the Fourth Proportional to 70,816.20, 106,183.80 and 26,444.40

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Solution

The fourth proportional to 70,816.20, 106,183.80 and 26,444.40 is: 39,651.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,816.20 : 106,183.80 = 26,444.40 : x
  2. Step 2: Convert to fraction form
    70,816.20/106,183.80 = 26,444.40/x
  3. Step 3: Cross multiply
    70,816.20x = 106,183.80 × 26,444.40
  4. Step 4: Simplify right side
    70,816.20x = 2,807,966,880.72
  5. Step 5: Solve for x
    x = 2,807,966,880.72/70,816.20
  6. Step 6: Final answer
    x = 39,651.48

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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.