Home / 45,433.32-68,149.37-11,699.15

Finding the Fourth Proportional to 45,433.32, 68,149.37 and 11,699.15

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Solution

The fourth proportional to 45,433.32, 68,149.37 and 11,699.15 is: 17,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,433.32 : 68,149.37 = 11,699.15 : x
  2. Step 2: Convert to fraction form
    45,433.32/68,149.37 = 11,699.15/x
  3. Step 3: Cross multiply
    45,433.32x = 68,149.37 × 11,699.15
  4. Step 4: Simplify right side
    45,433.32x = 797,289,702.04
  5. Step 5: Solve for x
    x = 797,289,702.04/45,433.32
  6. Step 6: Final answer
    x = 17,548.57

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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.