Home / 82,455.54-113,782.14-48,465.30

Finding the Fourth Proportional to 82,455.54, 113,782.14 and 48,465.30

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Solution

The fourth proportional to 82,455.54, 113,782.14 and 48,465.30 is: 66,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,455.54 : 113,782.14 = 48,465.30 : x
  2. Step 2: Convert to fraction form
    82,455.54/113,782.14 = 48,465.30/x
  3. Step 3: Cross multiply
    82,455.54x = 113,782.14 × 48,465.30
  4. Step 4: Simplify right side
    82,455.54x = 5,514,485,549.74
  5. Step 5: Solve for x
    x = 5,514,485,549.74/82,455.54
  6. Step 6: Final answer
    x = 66,878.29

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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.