Home / 55,731.04-76,920.03-37,831.86

Finding the Fourth Proportional to 55,731.04, 76,920.03 and 37,831.86

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Solution

The fourth proportional to 55,731.04, 76,920.03 and 37,831.86 is: 52,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731.04 : 76,920.03 = 37,831.86 : x
  2. Step 2: Convert to fraction form
    55,731.04/76,920.03 = 37,831.86/x
  3. Step 3: Cross multiply
    55,731.04x = 76,920.03 × 37,831.86
  4. Step 4: Simplify right side
    55,731.04x = 2,910,027,806.16
  5. Step 5: Solve for x
    x = 2,910,027,806.16/55,731.04
  6. Step 6: Final answer
    x = 52,215.57

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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.