Home / 66,771.12-92,103.26-52,409.36

Finding the Fourth Proportional to 66,771.12, 92,103.26 and 52,409.36

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Solution

The fourth proportional to 66,771.12, 92,103.26 and 52,409.36 is: 72,292.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,771.12 : 92,103.26 = 52,409.36 : x
  2. Step 2: Convert to fraction form
    66,771.12/92,103.26 = 52,409.36/x
  3. Step 3: Cross multiply
    66,771.12x = 92,103.26 × 52,409.36
  4. Step 4: Simplify right side
    66,771.12x = 4,827,072,910.51
  5. Step 5: Solve for x
    x = 4,827,072,910.51/66,771.12
  6. Step 6: Final answer
    x = 72,292.83

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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.