Home / 61,905.63-92,847.47-28,163.81

Finding the Fourth Proportional to 61,905.63, 92,847.47 and 28,163.81

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Solution

The fourth proportional to 61,905.63, 92,847.47 and 28,163.81 is: 42,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,905.63 : 92,847.47 = 28,163.81 : x
  2. Step 2: Convert to fraction form
    61,905.63/92,847.47 = 28,163.81/x
  3. Step 3: Cross multiply
    61,905.63x = 92,847.47 × 28,163.81
  4. Step 4: Simplify right side
    61,905.63x = 2,614,938,504.06
  5. Step 5: Solve for x
    x = 2,614,938,504.06/61,905.63
  6. Step 6: Final answer
    x = 42,240.72

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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.