Home / 79,490.08-119,240.66-26,881.80

Finding the Fourth Proportional to 79,490.08, 119,240.66 and 26,881.80

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Solution

The fourth proportional to 79,490.08, 119,240.66 and 26,881.80 is: 40,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,490.08 : 119,240.66 = 26,881.80 : x
  2. Step 2: Convert to fraction form
    79,490.08/119,240.66 = 26,881.80/x
  3. Step 3: Cross multiply
    79,490.08x = 119,240.66 × 26,881.80
  4. Step 4: Simplify right side
    79,490.08x = 3,205,403,573.99
  5. Step 5: Solve for x
    x = 3,205,403,573.99/79,490.08
  6. Step 6: Final answer
    x = 40,324.57

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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.