Home / 66,896.69-92,282.29-40,031.21

Finding the Fourth Proportional to 66,896.69, 92,282.29 and 40,031.21

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Solution

The fourth proportional to 66,896.69, 92,282.29 and 40,031.21 is: 55,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,896.69 : 92,282.29 = 40,031.21 : x
  2. Step 2: Convert to fraction form
    66,896.69/92,282.29 = 40,031.21/x
  3. Step 3: Cross multiply
    66,896.69x = 92,282.29 × 40,031.21
  4. Step 4: Simplify right side
    66,896.69x = 3,694,171,860.90
  5. Step 5: Solve for x
    x = 3,694,171,860.90/66,896.69
  6. Step 6: Final answer
    x = 55,222.05

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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.