Home / 54,101.32-81,152.38-16,661.70

Finding the Fourth Proportional to 54,101.32, 81,152.38 and 16,661.70

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Solution

The fourth proportional to 54,101.32, 81,152.38 and 16,661.70 is: 24,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,101.32 : 81,152.38 = 16,661.70 : x
  2. Step 2: Convert to fraction form
    54,101.32/81,152.38 = 16,661.70/x
  3. Step 3: Cross multiply
    54,101.32x = 81,152.38 × 16,661.70
  4. Step 4: Simplify right side
    54,101.32x = 1,352,136,630.67
  5. Step 5: Solve for x
    x = 1,352,136,630.67/54,101.32
  6. Step 6: Final answer
    x = 24,992.67

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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.