Home / 84,997.68-117,298.30-47,271.94

Finding the Fourth Proportional to 84,997.68, 117,298.30 and 47,271.94

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Solution

The fourth proportional to 84,997.68, 117,298.30 and 47,271.94 is: 65,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,997.68 : 117,298.30 = 47,271.94 : x
  2. Step 2: Convert to fraction form
    84,997.68/117,298.30 = 47,271.94/x
  3. Step 3: Cross multiply
    84,997.68x = 117,298.30 × 47,271.94
  4. Step 4: Simplify right side
    84,997.68x = 5,544,918,199.70
  5. Step 5: Solve for x
    x = 5,544,918,199.70/84,997.68
  6. Step 6: Final answer
    x = 65,236.11

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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.