Home / 66,768.84-92,142.09-36,553.66

Finding the Fourth Proportional to 66,768.84, 92,142.09 and 36,553.66

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Solution

The fourth proportional to 66,768.84, 92,142.09 and 36,553.66 is: 50,444.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,768.84 : 92,142.09 = 36,553.66 : x
  2. Step 2: Convert to fraction form
    66,768.84/92,142.09 = 36,553.66/x
  3. Step 3: Cross multiply
    66,768.84x = 92,142.09 × 36,553.66
  4. Step 4: Simplify right side
    66,768.84x = 3,368,130,399.19
  5. Step 5: Solve for x
    x = 3,368,130,399.19/66,768.84
  6. Step 6: Final answer
    x = 50,444.64

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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.