Home / 66,505.37-91,776.98-36,290.07

Finding the Fourth Proportional to 66,505.37, 91,776.98 and 36,290.07

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Solution

The fourth proportional to 66,505.37, 91,776.98 and 36,290.07 is: 50,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,505.37 : 91,776.98 = 36,290.07 : x
  2. Step 2: Convert to fraction form
    66,505.37/91,776.98 = 36,290.07/x
  3. Step 3: Cross multiply
    66,505.37x = 91,776.98 × 36,290.07
  4. Step 4: Simplify right side
    66,505.37x = 3,330,593,119.31
  5. Step 5: Solve for x
    x = 3,330,593,119.31/66,505.37
  6. Step 6: Final answer
    x = 50,080.07

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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.