Home / 50,715.09-69,986.16-28,052.28

Finding the Fourth Proportional to 50,715.09, 69,986.16 and 28,052.28

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Solution

The fourth proportional to 50,715.09, 69,986.16 and 28,052.28 is: 38,711.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,715.09 : 69,986.16 = 28,052.28 : x
  2. Step 2: Convert to fraction form
    50,715.09/69,986.16 = 28,052.28/x
  3. Step 3: Cross multiply
    50,715.09x = 69,986.16 × 28,052.28
  4. Step 4: Simplify right side
    50,715.09x = 1,963,271,356.44
  5. Step 5: Solve for x
    x = 1,963,271,356.44/50,715.09
  6. Step 6: Final answer
    x = 38,711.78

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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.