Home / 66,964.36-92,404.09-40,106.18

Finding the Fourth Proportional to 66,964.36, 92,404.09 and 40,106.18

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Solution

The fourth proportional to 66,964.36, 92,404.09 and 40,106.18 is: 55,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964.36 : 92,404.09 = 40,106.18 : x
  2. Step 2: Convert to fraction form
    66,964.36/92,404.09 = 40,106.18/x
  3. Step 3: Cross multiply
    66,964.36x = 92,404.09 × 40,106.18
  4. Step 4: Simplify right side
    66,964.36x = 3,705,975,066.28
  5. Step 5: Solve for x
    x = 3,705,975,066.28/66,964.36
  6. Step 6: Final answer
    x = 55,342.50

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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.