Home / 45,931.20-68,896.80-35,563.20

Finding the Fourth Proportional to 45,931.20, 68,896.80 and 35,563.20

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Solution

The fourth proportional to 45,931.20, 68,896.80 and 35,563.20 is: 53,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.20 : 68,896.80 = 35,563.20 : x
  2. Step 2: Convert to fraction form
    45,931.20/68,896.80 = 35,563.20/x
  3. Step 3: Cross multiply
    45,931.20x = 68,896.80 × 35,563.20
  4. Step 4: Simplify right side
    45,931.20x = 2,450,190,677.76
  5. Step 5: Solve for x
    x = 2,450,190,677.76/45,931.20
  6. Step 6: Final answer
    x = 53,344.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.