Home / 72,831.24-109,273.14-25,453.26

Finding the Fourth Proportional to 72,831.24, 109,273.14 and 25,453.26

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Solution

The fourth proportional to 72,831.24, 109,273.14 and 25,453.26 is: 38,189.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,831.24 : 109,273.14 = 25,453.26 : x
  2. Step 2: Convert to fraction form
    72,831.24/109,273.14 = 25,453.26/x
  3. Step 3: Cross multiply
    72,831.24x = 109,273.14 × 25,453.26
  4. Step 4: Simplify right side
    72,831.24x = 2,781,357,643.44
  5. Step 5: Solve for x
    x = 2,781,357,643.44/72,831.24
  6. Step 6: Final answer
    x = 38,189.07

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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.