Home / 50,717.76-69,989.88-28,054.99

Finding the Fourth Proportional to 50,717.76, 69,989.88 and 28,054.99

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Solution

The fourth proportional to 50,717.76, 69,989.88 and 28,054.99 is: 38,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,717.76 : 69,989.88 = 28,054.99 : x
  2. Step 2: Convert to fraction form
    50,717.76/69,989.88 = 28,054.99/x
  3. Step 3: Cross multiply
    50,717.76x = 69,989.88 × 28,054.99
  4. Step 4: Simplify right side
    50,717.76x = 1,963,565,383.50
  5. Step 5: Solve for x
    x = 1,963,565,383.50/50,717.76
  6. Step 6: Final answer
    x = 38,715.54

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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.