Home / 73,957.86-102,036.92-42,104.21

Finding the Fourth Proportional to 73,957.86, 102,036.92 and 42,104.21

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Solution

The fourth proportional to 73,957.86, 102,036.92 and 42,104.21 is: 58,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,957.86 : 102,036.92 = 42,104.21 : x
  2. Step 2: Convert to fraction form
    73,957.86/102,036.92 = 42,104.21/x
  3. Step 3: Cross multiply
    73,957.86x = 102,036.92 × 42,104.21
  4. Step 4: Simplify right side
    73,957.86x = 4,296,183,186.73
  5. Step 5: Solve for x
    x = 4,296,183,186.73/73,957.86
  6. Step 6: Final answer
    x = 58,089.61

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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.