Home / 79,430.22-119,172.66-49,813.38

Finding the Fourth Proportional to 79,430.22, 119,172.66 and 49,813.38

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Solution

The fourth proportional to 79,430.22, 119,172.66 and 49,813.38 is: 74,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,430.22 : 119,172.66 = 49,813.38 : x
  2. Step 2: Convert to fraction form
    79,430.22/119,172.66 = 49,813.38/x
  3. Step 3: Cross multiply
    79,430.22x = 119,172.66 × 49,813.38
  4. Step 4: Simplify right side
    79,430.22x = 5,936,392,998.19
  5. Step 5: Solve for x
    x = 5,936,392,998.19/79,430.22
  6. Step 6: Final answer
    x = 74,737.21

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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.