Home / 98,816.91-136,367.29-53,494.85

Finding the Fourth Proportional to 98,816.91, 136,367.29 and 53,494.85

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Solution

The fourth proportional to 98,816.91, 136,367.29 and 53,494.85 is: 73,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,816.91 : 136,367.29 = 53,494.85 : x
  2. Step 2: Convert to fraction form
    98,816.91/136,367.29 = 53,494.85/x
  3. Step 3: Cross multiply
    98,816.91x = 136,367.29 × 53,494.85
  4. Step 4: Simplify right side
    98,816.91x = 7,294,948,131.24
  5. Step 5: Solve for x
    x = 7,294,948,131.24/98,816.91
  6. Step 6: Final answer
    x = 73,822.88

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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.