Home / 74,067.84-102,107.30-52,810.20

Finding the Fourth Proportional to 74,067.84, 102,107.30 and 52,810.20

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Solution

The fourth proportional to 74,067.84, 102,107.30 and 52,810.20 is: 72,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,067.84 : 102,107.30 = 52,810.20 : x
  2. Step 2: Convert to fraction form
    74,067.84/102,107.30 = 52,810.20/x
  3. Step 3: Cross multiply
    74,067.84x = 102,107.30 × 52,810.20
  4. Step 4: Simplify right side
    74,067.84x = 5,392,306,934.46
  5. Step 5: Solve for x
    x = 5,392,306,934.46/74,067.84
  6. Step 6: Final answer
    x = 72,802.27

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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.