Home / 50,475.12-69,657.26-28,968.81

Finding the Fourth Proportional to 50,475.12, 69,657.26 and 28,968.81

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Solution

The fourth proportional to 50,475.12, 69,657.26 and 28,968.81 is: 39,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,475.12 : 69,657.26 = 28,968.81 : x
  2. Step 2: Convert to fraction form
    50,475.12/69,657.26 = 28,968.81/x
  3. Step 3: Cross multiply
    50,475.12x = 69,657.26 × 28,968.81
  4. Step 4: Simplify right side
    50,475.12x = 2,017,887,785.22
  5. Step 5: Solve for x
    x = 2,017,887,785.22/50,475.12
  6. Step 6: Final answer
    x = 39,977.87

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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.