Home / 66,666.27-92,022.61-38,383.23

Finding the Fourth Proportional to 66,666.27, 92,022.61 and 38,383.23

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Solution

The fourth proportional to 66,666.27, 92,022.61 and 38,383.23 is: 52,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,666.27 : 92,022.61 = 38,383.23 : x
  2. Step 2: Convert to fraction form
    66,666.27/92,022.61 = 38,383.23/x
  3. Step 3: Cross multiply
    66,666.27x = 92,022.61 × 38,383.23
  4. Step 4: Simplify right side
    66,666.27x = 3,532,125,004.83
  5. Step 5: Solve for x
    x = 3,532,125,004.83/66,666.27
  6. Step 6: Final answer
    x = 52,982.19

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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.