Home / 51,027.98-70,419.78-28,366.10

Finding the Fourth Proportional to 51,027.98, 70,419.78 and 28,366.10

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Solution

The fourth proportional to 51,027.98, 70,419.78 and 28,366.10 is: 39,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027.98 : 70,419.78 = 28,366.10 : x
  2. Step 2: Convert to fraction form
    51,027.98/70,419.78 = 28,366.10/x
  3. Step 3: Cross multiply
    51,027.98x = 70,419.78 × 28,366.10
  4. Step 4: Simplify right side
    51,027.98x = 1,997,534,433.43
  5. Step 5: Solve for x
    x = 1,997,534,433.43/51,027.98
  6. Step 6: Final answer
    x = 39,145.87

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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.