Home / 52,673.49-72,689.43-28,800.36

Finding the Fourth Proportional to 52,673.49, 72,689.43 and 28,800.36

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Solution

The fourth proportional to 52,673.49, 72,689.43 and 28,800.36 is: 39,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,673.49 : 72,689.43 = 28,800.36 : x
  2. Step 2: Convert to fraction form
    52,673.49/72,689.43 = 28,800.36/x
  3. Step 3: Cross multiply
    52,673.49x = 72,689.43 × 28,800.36
  4. Step 4: Simplify right side
    52,673.49x = 2,093,481,752.19
  5. Step 5: Solve for x
    x = 2,093,481,752.19/52,673.49
  6. Step 6: Final answer
    x = 39,744.50

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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.