Home / 66,606.83-99,907.92-16,687.35

Finding the Fourth Proportional to 66,606.83, 99,907.92 and 16,687.35

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Solution

The fourth proportional to 66,606.83, 99,907.92 and 16,687.35 is: 25,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606.83 : 99,907.92 = 16,687.35 : x
  2. Step 2: Convert to fraction form
    66,606.83/99,907.92 = 16,687.35/x
  3. Step 3: Cross multiply
    66,606.83x = 99,907.92 × 16,687.35
  4. Step 4: Simplify right side
    66,606.83x = 1,667,198,428.81
  5. Step 5: Solve for x
    x = 1,667,198,428.81/66,606.83
  6. Step 6: Final answer
    x = 25,030.44

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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.