Home / 46,059.76-69,081.92-12,783.21

Finding the Fourth Proportional to 46,059.76, 69,081.92 and 12,783.21

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Solution

The fourth proportional to 46,059.76, 69,081.92 and 12,783.21 is: 19,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,059.76 : 69,081.92 = 12,783.21 : x
  2. Step 2: Convert to fraction form
    46,059.76/69,081.92 = 12,783.21/x
  3. Step 3: Cross multiply
    46,059.76x = 69,081.92 × 12,783.21
  4. Step 4: Simplify right side
    46,059.76x = 883,088,453.94
  5. Step 5: Solve for x
    x = 883,088,453.94/46,059.76
  6. Step 6: Final answer
    x = 19,172.67

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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.