Home / 98,650.27-136,137.19-53,328.28

Finding the Fourth Proportional to 98,650.27, 136,137.19 and 53,328.28

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Solution

The fourth proportional to 98,650.27, 136,137.19 and 53,328.28 is: 73,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,650.27 : 136,137.19 = 53,328.28 : x
  2. Step 2: Convert to fraction form
    98,650.27/136,137.19 = 53,328.28/x
  3. Step 3: Cross multiply
    98,650.27x = 136,137.19 × 53,328.28
  4. Step 4: Simplify right side
    98,650.27x = 7,259,961,239.41
  5. Step 5: Solve for x
    x = 7,259,961,239.41/98,650.27
  6. Step 6: Final answer
    x = 73,592.92

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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.