Home / 78,473.10-108,293.31-46,209.12

Finding the Fourth Proportional to 78,473.10, 108,293.31 and 46,209.12

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Solution

The fourth proportional to 78,473.10, 108,293.31 and 46,209.12 is: 63,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,473.10 : 108,293.31 = 46,209.12 : x
  2. Step 2: Convert to fraction form
    78,473.10/108,293.31 = 46,209.12/x
  3. Step 3: Cross multiply
    78,473.10x = 108,293.31 × 46,209.12
  4. Step 4: Simplify right side
    78,473.10x = 5,004,138,556.99
  5. Step 5: Solve for x
    x = 5,004,138,556.99/78,473.10
  6. Step 6: Final answer
    x = 63,768.84

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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.