Home / 74,456.96-102,748.80-42,623.84

Finding the Fourth Proportional to 74,456.96, 102,748.80 and 42,623.84

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Solution

The fourth proportional to 74,456.96, 102,748.80 and 42,623.84 is: 58,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,456.96 : 102,748.80 = 42,623.84 : x
  2. Step 2: Convert to fraction form
    74,456.96/102,748.80 = 42,623.84/x
  3. Step 3: Cross multiply
    74,456.96x = 102,748.80 × 42,623.84
  4. Step 4: Simplify right side
    74,456.96x = 4,379,548,411.39
  5. Step 5: Solve for x
    x = 4,379,548,411.39/74,456.96
  6. Step 6: Final answer
    x = 58,819.87

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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.