Home / 49,854.64-68,795.58-28,640.74

Finding the Fourth Proportional to 49,854.64, 68,795.58 and 28,640.74

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Solution

The fourth proportional to 49,854.64, 68,795.58 and 28,640.74 is: 39,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,854.64 : 68,795.58 = 28,640.74 : x
  2. Step 2: Convert to fraction form
    49,854.64/68,795.58 = 28,640.74/x
  3. Step 3: Cross multiply
    49,854.64x = 68,795.58 × 28,640.74
  4. Step 4: Simplify right side
    49,854.64x = 1,970,356,319.93
  5. Step 5: Solve for x
    x = 1,970,356,319.93/49,854.64
  6. Step 6: Final answer
    x = 39,522.02

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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.