Home / 84,580.12-116,664.57-54,403.77

Finding the Fourth Proportional to 84,580.12, 116,664.57 and 54,403.77

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Solution

The fourth proportional to 84,580.12, 116,664.57 and 54,403.77 is: 75,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,580.12 : 116,664.57 = 54,403.77 : x
  2. Step 2: Convert to fraction form
    84,580.12/116,664.57 = 54,403.77/x
  3. Step 3: Cross multiply
    84,580.12x = 116,664.57 × 54,403.77
  4. Step 4: Simplify right side
    84,580.12x = 6,346,992,433.43
  5. Step 5: Solve for x
    x = 6,346,992,433.43/84,580.12
  6. Step 6: Final answer
    x = 75,041.19

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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.