Home / 50,117.76-69,162.36-28,896.84

Finding the Fourth Proportional to 50,117.76, 69,162.36 and 28,896.84

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Solution

The fourth proportional to 50,117.76, 69,162.36 and 28,896.84 is: 39,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,117.76 : 69,162.36 = 28,896.84 : x
  2. Step 2: Convert to fraction form
    50,117.76/69,162.36 = 28,896.84/x
  3. Step 3: Cross multiply
    50,117.76x = 69,162.36 × 28,896.84
  4. Step 4: Simplify right side
    50,117.76x = 1,998,573,650.94
  5. Step 5: Solve for x
    x = 1,998,573,650.94/50,117.76
  6. Step 6: Final answer
    x = 39,877.55

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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.