Home / 49,206.52-67,900.08-28,785.64

Finding the Fourth Proportional to 49,206.52, 67,900.08 and 28,785.64

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Solution

The fourth proportional to 49,206.52, 67,900.08 and 28,785.64 is: 39,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,206.52 : 67,900.08 = 28,785.64 : x
  2. Step 2: Convert to fraction form
    49,206.52/67,900.08 = 28,785.64/x
  3. Step 3: Cross multiply
    49,206.52x = 67,900.08 × 28,785.64
  4. Step 4: Simplify right side
    49,206.52x = 1,954,547,258.85
  5. Step 5: Solve for x
    x = 1,954,547,258.85/49,206.52
  6. Step 6: Final answer
    x = 39,721.31

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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.