Home / 66,936.08-92,371.32-36,720.56

Finding the Fourth Proportional to 66,936.08, 92,371.32 and 36,720.56

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Solution

The fourth proportional to 66,936.08, 92,371.32 and 36,720.56 is: 50,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936.08 : 92,371.32 = 36,720.56 : x
  2. Step 2: Convert to fraction form
    66,936.08/92,371.32 = 36,720.56/x
  3. Step 3: Cross multiply
    66,936.08x = 92,371.32 × 36,720.56
  4. Step 4: Simplify right side
    66,936.08x = 3,391,926,598.34
  5. Step 5: Solve for x
    x = 3,391,926,598.34/66,936.08
  6. Step 6: Final answer
    x = 50,674.11

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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.