Home / 40,699.42-61,039.29-11,117.41

Finding the Fourth Proportional to 40,699.42, 61,039.29 and 11,117.41

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Solution

The fourth proportional to 40,699.42, 61,039.29 and 11,117.41 is: 16,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,699.42 : 61,039.29 = 11,117.41 : x
  2. Step 2: Convert to fraction form
    40,699.42/61,039.29 = 11,117.41/x
  3. Step 3: Cross multiply
    40,699.42x = 61,039.29 × 11,117.41
  4. Step 4: Simplify right side
    40,699.42x = 678,598,813.04
  5. Step 5: Solve for x
    x = 678,598,813.04/40,699.42
  6. Step 6: Final answer
    x = 16,673.43

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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.