Home / 74,635.48-102,998.99-42,369.37

Finding the Fourth Proportional to 74,635.48, 102,998.99 and 42,369.37

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Solution

The fourth proportional to 74,635.48, 102,998.99 and 42,369.37 is: 58,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,635.48 : 102,998.99 = 42,369.37 : x
  2. Step 2: Convert to fraction form
    74,635.48/102,998.99 = 42,369.37/x
  3. Step 3: Cross multiply
    74,635.48x = 102,998.99 × 42,369.37
  4. Step 4: Simplify right side
    74,635.48x = 4,364,001,752.40
  5. Step 5: Solve for x
    x = 4,364,001,752.40/74,635.48
  6. Step 6: Final answer
    x = 58,470.88

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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.