Home / 66,616.22-91,890.16-43,947.16

Finding the Fourth Proportional to 66,616.22, 91,890.16 and 43,947.16

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Solution

The fourth proportional to 66,616.22, 91,890.16 and 43,947.16 is: 60,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,616.22 : 91,890.16 = 43,947.16 : x
  2. Step 2: Convert to fraction form
    66,616.22/91,890.16 = 43,947.16/x
  3. Step 3: Cross multiply
    66,616.22x = 91,890.16 × 43,947.16
  4. Step 4: Simplify right side
    66,616.22x = 4,038,311,563.95
  5. Step 5: Solve for x
    x = 4,038,311,563.95/66,616.22
  6. Step 6: Final answer
    x = 60,620.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.