Home / 55,722.61-76,831.36-45,613.81

Finding the Fourth Proportional to 55,722.61, 76,831.36 and 45,613.81

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Solution

The fourth proportional to 55,722.61, 76,831.36 and 45,613.81 is: 62,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.61 : 76,831.36 = 45,613.81 : x
  2. Step 2: Convert to fraction form
    55,722.61/76,831.36 = 45,613.81/x
  3. Step 3: Cross multiply
    55,722.61x = 76,831.36 × 45,613.81
  4. Step 4: Simplify right side
    55,722.61x = 3,504,571,057.08
  5. Step 5: Solve for x
    x = 3,504,571,057.08/55,722.61
  6. Step 6: Final answer
    x = 62,893.16

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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.