Home / 49,457.72-74,163.54-28,687.16

Finding the Fourth Proportional to 49,457.72, 74,163.54 and 28,687.16

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Solution

The fourth proportional to 49,457.72, 74,163.54 and 28,687.16 is: 43,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,457.72 : 74,163.54 = 28,687.16 : x
  2. Step 2: Convert to fraction form
    49,457.72/74,163.54 = 28,687.16/x
  3. Step 3: Cross multiply
    49,457.72x = 74,163.54 × 28,687.16
  4. Step 4: Simplify right side
    49,457.72x = 2,127,541,338.15
  5. Step 5: Solve for x
    x = 2,127,541,338.15/49,457.72
  6. Step 6: Final answer
    x = 43,017.38

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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.