Home / 66,961.52-92,406.04-36,747.12

Finding the Fourth Proportional to 66,961.52, 92,406.04 and 36,747.12

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Solution

The fourth proportional to 66,961.52, 92,406.04 and 36,747.12 is: 50,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,961.52 : 92,406.04 = 36,747.12 : x
  2. Step 2: Convert to fraction form
    66,961.52/92,406.04 = 36,747.12/x
  3. Step 3: Cross multiply
    66,961.52x = 92,406.04 × 36,747.12
  4. Step 4: Simplify right side
    66,961.52x = 3,395,655,840.60
  5. Step 5: Solve for x
    x = 3,395,655,840.60/66,961.52
  6. Step 6: Final answer
    x = 50,710.55

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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.