Home / 84,020.01-115,894.64-50,003.10

Finding the Fourth Proportional to 84,020.01, 115,894.64 and 50,003.10

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Solution

The fourth proportional to 84,020.01, 115,894.64 and 50,003.10 is: 68,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,020.01 : 115,894.64 = 50,003.10 : x
  2. Step 2: Convert to fraction form
    84,020.01/115,894.64 = 50,003.10/x
  3. Step 3: Cross multiply
    84,020.01x = 115,894.64 × 50,003.10
  4. Step 4: Simplify right side
    84,020.01x = 5,795,091,398.39
  5. Step 5: Solve for x
    x = 5,795,091,398.39/84,020.01
  6. Step 6: Final answer
    x = 68,972.75

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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.