Home / 79,606.49-119,418.09-39,635.39

Finding the Fourth Proportional to 79,606.49, 119,418.09 and 39,635.39

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Solution

The fourth proportional to 79,606.49, 119,418.09 and 39,635.39 is: 59,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,606.49 : 119,418.09 = 39,635.39 : x
  2. Step 2: Convert to fraction form
    79,606.49/119,418.09 = 39,635.39/x
  3. Step 3: Cross multiply
    79,606.49x = 119,418.09 × 39,635.39
  4. Step 4: Simplify right side
    79,606.49x = 4,733,181,973.11
  5. Step 5: Solve for x
    x = 4,733,181,973.11/79,606.49
  6. Step 6: Final answer
    x = 59,457.24

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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.