Home / 51,650.94-71,280.63-40,453.50

Finding the Fourth Proportional to 51,650.94, 71,280.63 and 40,453.50

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Solution

The fourth proportional to 51,650.94, 71,280.63 and 40,453.50 is: 55,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,650.94 : 71,280.63 = 40,453.50 : x
  2. Step 2: Convert to fraction form
    51,650.94/71,280.63 = 40,453.50/x
  3. Step 3: Cross multiply
    51,650.94x = 71,280.63 × 40,453.50
  4. Step 4: Simplify right side
    51,650.94x = 2,883,550,965.71
  5. Step 5: Solve for x
    x = 2,883,550,965.71/51,650.94
  6. Step 6: Final answer
    x = 55,827.66

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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.