Home / 74,573.92-102,910.68-40,581.25

Finding the Fourth Proportional to 74,573.92, 102,910.68 and 40,581.25

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Solution

The fourth proportional to 74,573.92, 102,910.68 and 40,581.25 is: 56,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,573.92 : 102,910.68 = 40,581.25 : x
  2. Step 2: Convert to fraction form
    74,573.92/102,910.68 = 40,581.25/x
  3. Step 3: Cross multiply
    74,573.92x = 102,910.68 × 40,581.25
  4. Step 4: Simplify right side
    74,573.92x = 4,176,244,032.75
  5. Step 5: Solve for x
    x = 4,176,244,032.75/74,573.92
  6. Step 6: Final answer
    x = 56,001.40

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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.