Home / 215,822.58-323,722.32-66,062.94

Finding the Fourth Proportional to 215,822.58, 323,722.32 and 66,062.94

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Solution

The fourth proportional to 215,822.58, 323,722.32 and 66,062.94 is: 99,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,822.58 : 323,722.32 = 66,062.94 : x
  2. Step 2: Convert to fraction form
    215,822.58/323,722.32 = 66,062.94/x
  3. Step 3: Cross multiply
    215,822.58x = 323,722.32 × 66,062.94
  4. Step 4: Simplify right side
    215,822.58x = 21,386,048,933.67
  5. Step 5: Solve for x
    x = 21,386,048,933.67/215,822.58
  6. Step 6: Final answer
    x = 99,090.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.