Home / 52,806.32-72,872.68-28,934.48

Finding the Fourth Proportional to 52,806.32, 72,872.68 and 28,934.48

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Solution

The fourth proportional to 52,806.32, 72,872.68 and 28,934.48 is: 39,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,806.32 : 72,872.68 = 28,934.48 : x
  2. Step 2: Convert to fraction form
    52,806.32/72,872.68 = 28,934.48/x
  3. Step 3: Cross multiply
    52,806.32x = 72,872.68 × 28,934.48
  4. Step 4: Simplify right side
    52,806.32x = 2,108,533,102.01
  5. Step 5: Solve for x
    x = 2,108,533,102.01/52,806.32
  6. Step 6: Final answer
    x = 39,929.56

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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.