Home / 66,114.12-99,171.20-16,866.12

Finding the Fourth Proportional to 66,114.12, 99,171.20 and 16,866.12

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Solution

The fourth proportional to 66,114.12, 99,171.20 and 16,866.12 is: 25,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,114.12 : 99,171.20 = 16,866.12 : x
  2. Step 2: Convert to fraction form
    66,114.12/99,171.20 = 16,866.12/x
  3. Step 3: Cross multiply
    66,114.12x = 99,171.20 × 16,866.12
  4. Step 4: Simplify right side
    66,114.12x = 1,672,633,359.74
  5. Step 5: Solve for x
    x = 1,672,633,359.74/66,114.12
  6. Step 6: Final answer
    x = 25,299.19

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1.5x scale

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.