Home / 83,319.03-114,979.94-45,078.45

Finding the Fourth Proportional to 83,319.03, 114,979.94 and 45,078.45

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Solution

The fourth proportional to 83,319.03, 114,979.94 and 45,078.45 is: 62,208.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,319.03 : 114,979.94 = 45,078.45 : x
  2. Step 2: Convert to fraction form
    83,319.03/114,979.94 = 45,078.45/x
  3. Step 3: Cross multiply
    83,319.03x = 114,979.94 × 45,078.45
  4. Step 4: Simplify right side
    83,319.03x = 5,183,117,476.29
  5. Step 5: Solve for x
    x = 5,183,117,476.29/83,319.03
  6. Step 6: Final answer
    x = 62,208.09

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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.