Home / 55,831.74-77,052.52-30,686.46

Finding the Fourth Proportional to 55,831.74, 77,052.52 and 30,686.46

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Solution

The fourth proportional to 55,831.74, 77,052.52 and 30,686.46 is: 42,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.74 : 77,052.52 = 30,686.46 : x
  2. Step 2: Convert to fraction form
    55,831.74/77,052.52 = 30,686.46/x
  3. Step 3: Cross multiply
    55,831.74x = 77,052.52 × 30,686.46
  4. Step 4: Simplify right side
    55,831.74x = 2,364,469,072.88
  5. Step 5: Solve for x
    x = 2,364,469,072.88/55,831.74
  6. Step 6: Final answer
    x = 42,349.91

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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.