Home / 51,099.61-76,646.32-19,072.48

Finding the Fourth Proportional to 51,099.61, 76,646.32 and 19,072.48

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Solution

The fourth proportional to 51,099.61, 76,646.32 and 19,072.48 is: 28,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,099.61 : 76,646.32 = 19,072.48 : x
  2. Step 2: Convert to fraction form
    51,099.61/76,646.32 = 19,072.48/x
  3. Step 3: Cross multiply
    51,099.61x = 76,646.32 × 19,072.48
  4. Step 4: Simplify right side
    51,099.61x = 1,461,835,309.69
  5. Step 5: Solve for x
    x = 1,461,835,309.69/51,099.61
  6. Step 6: Final answer
    x = 28,607.56

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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.