Home / 66,656.37-91,988.04-36,441.10

Finding the Fourth Proportional to 66,656.37, 91,988.04 and 36,441.10

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Solution

The fourth proportional to 66,656.37, 91,988.04 and 36,441.10 is: 50,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,656.37 : 91,988.04 = 36,441.10 : x
  2. Step 2: Convert to fraction form
    66,656.37/91,988.04 = 36,441.10/x
  3. Step 3: Cross multiply
    66,656.37x = 91,988.04 × 36,441.10
  4. Step 4: Simplify right side
    66,656.37x = 3,352,145,616.08
  5. Step 5: Solve for x
    x = 3,352,145,616.08/66,656.37
  6. Step 6: Final answer
    x = 50,289.95

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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.