Home / 82,243.11-113,513.49-52,068.66

Finding the Fourth Proportional to 82,243.11, 113,513.49 and 52,068.66

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Solution

The fourth proportional to 82,243.11, 113,513.49 and 52,068.66 is: 71,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,243.11 : 113,513.49 = 52,068.66 : x
  2. Step 2: Convert to fraction form
    82,243.11/113,513.49 = 52,068.66/x
  3. Step 3: Cross multiply
    82,243.11x = 113,513.49 × 52,068.66
  4. Step 4: Simplify right side
    82,243.11x = 5,910,495,316.22
  5. Step 5: Solve for x
    x = 5,910,495,316.22/82,243.11
  6. Step 6: Final answer
    x = 71,866.15

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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.