Home / 66,475.19-91,734.09-36,261.20

Finding the Fourth Proportional to 66,475.19, 91,734.09 and 36,261.20

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Solution

The fourth proportional to 66,475.19, 91,734.09 and 36,261.20 is: 50,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,475.19 : 91,734.09 = 36,261.20 : x
  2. Step 2: Convert to fraction form
    66,475.19/91,734.09 = 36,261.20/x
  3. Step 3: Cross multiply
    66,475.19x = 91,734.09 × 36,261.20
  4. Step 4: Simplify right side
    66,475.19x = 3,326,388,184.31
  5. Step 5: Solve for x
    x = 3,326,388,184.31/66,475.19
  6. Step 6: Final answer
    x = 50,039.54

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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.