Home / 74,102.86-102,234.42-48,623.36

Finding the Fourth Proportional to 74,102.86, 102,234.42 and 48,623.36

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Solution

The fourth proportional to 74,102.86, 102,234.42 and 48,623.36 is: 67,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.86 : 102,234.42 = 48,623.36 : x
  2. Step 2: Convert to fraction form
    74,102.86/102,234.42 = 48,623.36/x
  3. Step 3: Cross multiply
    74,102.86x = 102,234.42 × 48,623.36
  4. Step 4: Simplify right side
    74,102.86x = 4,970,981,008.05
  5. Step 5: Solve for x
    x = 4,970,981,008.05/74,102.86
  6. Step 6: Final answer
    x = 67,082.17

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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.