Home / 42,665.66-63,996.08-13,083.41

Finding the Fourth Proportional to 42,665.66, 63,996.08 and 13,083.41

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Solution

The fourth proportional to 42,665.66, 63,996.08 and 13,083.41 is: 19,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,665.66 : 63,996.08 = 13,083.41 : x
  2. Step 2: Convert to fraction form
    42,665.66/63,996.08 = 13,083.41/x
  3. Step 3: Cross multiply
    42,665.66x = 63,996.08 × 13,083.41
  4. Step 4: Simplify right side
    42,665.66x = 837,286,665.76
  5. Step 5: Solve for x
    x = 837,286,665.76/42,665.66
  6. Step 6: Final answer
    x = 19,624.37

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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.