Home / 84,768.12-116,986.68-47,048.04

Finding the Fourth Proportional to 84,768.12, 116,986.68 and 47,048.04

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Solution

The fourth proportional to 84,768.12, 116,986.68 and 47,048.04 is: 64,930.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,768.12 : 116,986.68 = 47,048.04 : x
  2. Step 2: Convert to fraction form
    84,768.12/116,986.68 = 47,048.04/x
  3. Step 3: Cross multiply
    84,768.12x = 116,986.68 × 47,048.04
  4. Step 4: Simplify right side
    84,768.12x = 5,503,994,000.11
  5. Step 5: Solve for x
    x = 5,503,994,000.11/84,768.12
  6. Step 6: Final answer
    x = 64,930.00

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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.