Home / 84,741.12-116,942.76-47,015.28

Finding the Fourth Proportional to 84,741.12, 116,942.76 and 47,015.28

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Solution

The fourth proportional to 84,741.12, 116,942.76 and 47,015.28 is: 64,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,741.12 : 116,942.76 = 47,015.28 : x
  2. Step 2: Convert to fraction form
    84,741.12/116,942.76 = 47,015.28/x
  3. Step 3: Cross multiply
    84,741.12x = 116,942.76 × 47,015.28
  4. Step 4: Simplify right side
    84,741.12x = 5,498,096,605.37
  5. Step 5: Solve for x
    x = 5,498,096,605.37/84,741.12
  6. Step 6: Final answer
    x = 64,881.09

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1.5x scale

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.