Home / 72,224.90-108,248.61-40,568.41

Finding the Fourth Proportional to 72,224.90, 108,248.61 and 40,568.41

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Solution

The fourth proportional to 72,224.90, 108,248.61 and 40,568.41 is: 60,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,224.90 : 108,248.61 = 40,568.41 : x
  2. Step 2: Convert to fraction form
    72,224.90/108,248.61 = 40,568.41/x
  3. Step 3: Cross multiply
    72,224.90x = 108,248.61 × 40,568.41
  4. Step 4: Simplify right side
    72,224.90x = 4,391,473,992.41
  5. Step 5: Solve for x
    x = 4,391,473,992.41/72,224.90
  6. Step 6: Final answer
    x = 60,802.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.