Home / 98,827.38-136,288.41-64,865.31

Finding the Fourth Proportional to 98,827.38, 136,288.41 and 64,865.31

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Solution

The fourth proportional to 98,827.38, 136,288.41 and 64,865.31 is: 89,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,827.38 : 136,288.41 = 64,865.31 : x
  2. Step 2: Convert to fraction form
    98,827.38/136,288.41 = 64,865.31/x
  3. Step 3: Cross multiply
    98,827.38x = 136,288.41 × 64,865.31
  4. Step 4: Simplify right side
    98,827.38x = 8,840,389,964.06
  5. Step 5: Solve for x
    x = 8,840,389,964.06/98,827.38
  6. Step 6: Final answer
    x = 89,452.84

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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.