Home / 53,706.88-74,107.28-29,831.36

Finding the Fourth Proportional to 53,706.88, 74,107.28 and 29,831.36

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Solution

The fourth proportional to 53,706.88, 74,107.28 and 29,831.36 is: 41,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,706.88 : 74,107.28 = 29,831.36 : x
  2. Step 2: Convert to fraction form
    53,706.88/74,107.28 = 29,831.36/x
  3. Step 3: Cross multiply
    53,706.88x = 74,107.28 × 29,831.36
  4. Step 4: Simplify right side
    53,706.88x = 2,210,720,948.30
  5. Step 5: Solve for x
    x = 2,210,720,948.30/53,706.88
  6. Step 6: Final answer
    x = 41,162.71

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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.