Home / 51,313.59-70,812.06-28,652.96

Finding the Fourth Proportional to 51,313.59, 70,812.06 and 28,652.96

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Solution

The fourth proportional to 51,313.59, 70,812.06 and 28,652.96 is: 39,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,313.59 : 70,812.06 = 28,652.96 : x
  2. Step 2: Convert to fraction form
    51,313.59/70,812.06 = 28,652.96/x
  3. Step 3: Cross multiply
    51,313.59x = 70,812.06 × 28,652.96
  4. Step 4: Simplify right side
    51,313.59x = 2,028,974,768.64
  5. Step 5: Solve for x
    x = 2,028,974,768.64/51,313.59
  6. Step 6: Final answer
    x = 39,540.69

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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.