Home / 136,587.11-204,831.44-57,707.48

Finding the Fourth Proportional to 136,587.11, 204,831.44 and 57,707.48

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Solution

The fourth proportional to 136,587.11, 204,831.44 and 57,707.48 is: 86,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,587.11 : 204,831.44 = 57,707.48 : x
  2. Step 2: Convert to fraction form
    136,587.11/204,831.44 = 57,707.48/x
  3. Step 3: Cross multiply
    136,587.11x = 204,831.44 × 57,707.48
  4. Step 4: Simplify right side
    136,587.11x = 11,820,306,883.52
  5. Step 5: Solve for x
    x = 11,820,306,883.52/136,587.11
  6. Step 6: Final answer
    x = 86,540.43

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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.