Home / 49,925.80-68,909.16-28,717.32

Finding the Fourth Proportional to 49,925.80, 68,909.16 and 28,717.32

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Solution

The fourth proportional to 49,925.80, 68,909.16 and 28,717.32 is: 39,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,925.80 : 68,909.16 = 28,717.32 : x
  2. Step 2: Convert to fraction form
    49,925.80/68,909.16 = 28,717.32/x
  3. Step 3: Cross multiply
    49,925.80x = 68,909.16 × 28,717.32
  4. Step 4: Simplify right side
    49,925.80x = 1,978,886,398.65
  5. Step 5: Solve for x
    x = 1,978,886,398.65/49,925.80
  6. Step 6: Final answer
    x = 39,636.55

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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.