Home / 49,854.19-68,786.48-30,468.16

Finding the Fourth Proportional to 49,854.19, 68,786.48 and 30,468.16

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Solution

The fourth proportional to 49,854.19, 68,786.48 and 30,468.16 is: 42,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,854.19 : 68,786.48 = 30,468.16 : x
  2. Step 2: Convert to fraction form
    49,854.19/68,786.48 = 30,468.16/x
  3. Step 3: Cross multiply
    49,854.19x = 68,786.48 × 30,468.16
  4. Step 4: Simplify right side
    49,854.19x = 2,095,797,139.45
  5. Step 5: Solve for x
    x = 2,095,797,139.45/49,854.19
  6. Step 6: Final answer
    x = 42,038.54

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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.