Home / 81,590.18-122,301.07-34,232.77

Finding the Fourth Proportional to 81,590.18, 122,301.07 and 34,232.77

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Solution

The fourth proportional to 81,590.18, 122,301.07 and 34,232.77 is: 51,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,590.18 : 122,301.07 = 34,232.77 : x
  2. Step 2: Convert to fraction form
    81,590.18/122,301.07 = 34,232.77/x
  3. Step 3: Cross multiply
    81,590.18x = 122,301.07 × 34,232.77
  4. Step 4: Simplify right side
    81,590.18x = 4,186,704,008.73
  5. Step 5: Solve for x
    x = 4,186,704,008.73/81,590.18
  6. Step 6: Final answer
    x = 51,313.83

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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.