Home / 74,716.84-103,076.58-53,488.36

Finding the Fourth Proportional to 74,716.84, 103,076.58 and 53,488.36

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Solution

The fourth proportional to 74,716.84, 103,076.58 and 53,488.36 is: 73,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,716.84 : 103,076.58 = 53,488.36 : x
  2. Step 2: Convert to fraction form
    74,716.84/103,076.58 = 53,488.36/x
  3. Step 3: Cross multiply
    74,716.84x = 103,076.58 × 53,488.36
  4. Step 4: Simplify right side
    74,716.84x = 5,513,397,218.61
  5. Step 5: Solve for x
    x = 5,513,397,218.61/74,716.84
  6. Step 6: Final answer
    x = 73,790.56

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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.