Home / 66,876.41-92,296.04-38,200.36

Finding the Fourth Proportional to 66,876.41, 92,296.04 and 38,200.36

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Solution

The fourth proportional to 66,876.41, 92,296.04 and 38,200.36 is: 52,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,876.41 : 92,296.04 = 38,200.36 : x
  2. Step 2: Convert to fraction form
    66,876.41/92,296.04 = 38,200.36/x
  3. Step 3: Cross multiply
    66,876.41x = 92,296.04 × 38,200.36
  4. Step 4: Simplify right side
    66,876.41x = 3,525,741,954.57
  5. Step 5: Solve for x
    x = 3,525,741,954.57/66,876.41
  6. Step 6: Final answer
    x = 52,720.26

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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.