Home / 81,598.24-122,282.43-64,884.07

Finding the Fourth Proportional to 81,598.24, 122,282.43 and 64,884.07

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Solution

The fourth proportional to 81,598.24, 122,282.43 and 64,884.07 is: 97,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,598.24 : 122,282.43 = 64,884.07 : x
  2. Step 2: Convert to fraction form
    81,598.24/122,282.43 = 64,884.07/x
  3. Step 3: Cross multiply
    81,598.24x = 122,282.43 × 64,884.07
  4. Step 4: Simplify right side
    81,598.24x = 7,934,181,747.89
  5. Step 5: Solve for x
    x = 7,934,181,747.89/81,598.24
  6. Step 6: Final answer
    x = 97,234.72

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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.