Home / 82,477.02-123,556.32-49,223.64

Finding the Fourth Proportional to 82,477.02, 123,556.32 and 49,223.64

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Solution

The fourth proportional to 82,477.02, 123,556.32 and 49,223.64 is: 73,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,477.02 : 123,556.32 = 49,223.64 : x
  2. Step 2: Convert to fraction form
    82,477.02/123,556.32 = 49,223.64/x
  3. Step 3: Cross multiply
    82,477.02x = 123,556.32 × 49,223.64
  4. Step 4: Simplify right side
    82,477.02x = 6,081,891,815.40
  5. Step 5: Solve for x
    x = 6,081,891,815.40/82,477.02
  6. Step 6: Final answer
    x = 73,740.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.