Home / 50,709.11-69,977.34-28,047.60

Finding the Fourth Proportional to 50,709.11, 69,977.34 and 28,047.60

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Solution

The fourth proportional to 50,709.11, 69,977.34 and 28,047.60 is: 38,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,709.11 : 69,977.34 = 28,047.60 : x
  2. Step 2: Convert to fraction form
    50,709.11/69,977.34 = 28,047.60/x
  3. Step 3: Cross multiply
    50,709.11x = 69,977.34 × 28,047.60
  4. Step 4: Simplify right side
    50,709.11x = 1,962,696,441.38
  5. Step 5: Solve for x
    x = 1,962,696,441.38/50,709.11
  6. Step 6: Final answer
    x = 38,705.01

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1.5x scale

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.