Home / 82,467.09-113,729.45-69,746.94

Finding the Fourth Proportional to 82,467.09, 113,729.45 and 69,746.94

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Solution

The fourth proportional to 82,467.09, 113,729.45 and 69,746.94 is: 96,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,467.09 : 113,729.45 = 69,746.94 : x
  2. Step 2: Convert to fraction form
    82,467.09/113,729.45 = 69,746.94/x
  3. Step 3: Cross multiply
    82,467.09x = 113,729.45 × 69,746.94
  4. Step 4: Simplify right side
    82,467.09x = 7,932,280,776.65
  5. Step 5: Solve for x
    x = 7,932,280,776.65/82,467.09
  6. Step 6: Final answer
    x = 96,187.23

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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.