Home / 54,860.16-82,238.40-49,831.68

Finding the Fourth Proportional to 54,860.16, 82,238.40 and 49,831.68

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Solution

The fourth proportional to 54,860.16, 82,238.40 and 49,831.68 is: 74,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,860.16 : 82,238.40 = 49,831.68 : x
  2. Step 2: Convert to fraction form
    54,860.16/82,238.40 = 49,831.68/x
  3. Step 3: Cross multiply
    54,860.16x = 82,238.40 × 49,831.68
  4. Step 4: Simplify right side
    54,860.16x = 4,098,077,632.51
  5. Step 5: Solve for x
    x = 4,098,077,632.51/54,860.16
  6. Step 6: Final answer
    x = 74,700.43

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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.