Home / 115,831.64-173,636.48-36,894.72

Finding the Fourth Proportional to 115,831.64, 173,636.48 and 36,894.72

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Solution

The fourth proportional to 115,831.64, 173,636.48 and 36,894.72 is: 55,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,831.64 : 173,636.48 = 36,894.72 : x
  2. Step 2: Convert to fraction form
    115,831.64/173,636.48 = 36,894.72/x
  3. Step 3: Cross multiply
    115,831.64x = 173,636.48 × 36,894.72
  4. Step 4: Simplify right side
    115,831.64x = 6,406,269,311.39
  5. Step 5: Solve for x
    x = 6,406,269,311.39/115,831.64
  6. Step 6: Final answer
    x = 55,306.73

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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.