Home / 72,282.51-108,470.03-39,025.76

Finding the Fourth Proportional to 72,282.51, 108,470.03 and 39,025.76

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Solution

The fourth proportional to 72,282.51, 108,470.03 and 39,025.76 is: 58,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,282.51 : 108,470.03 = 39,025.76 : x
  2. Step 2: Convert to fraction form
    72,282.51/108,470.03 = 39,025.76/x
  3. Step 3: Cross multiply
    72,282.51x = 108,470.03 × 39,025.76
  4. Step 4: Simplify right side
    72,282.51x = 4,233,125,357.97
  5. Step 5: Solve for x
    x = 4,233,125,357.97/72,282.51
  6. Step 6: Final answer
    x = 58,563.62

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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.