Home / 102,049.68-140,718.69-63,795.27

Finding the Fourth Proportional to 102,049.68, 140,718.69 and 63,795.27

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Solution

The fourth proportional to 102,049.68, 140,718.69 and 63,795.27 is: 87,968.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,049.68 : 140,718.69 = 63,795.27 : x
  2. Step 2: Convert to fraction form
    102,049.68/140,718.69 = 63,795.27/x
  3. Step 3: Cross multiply
    102,049.68x = 140,718.69 × 63,795.27
  4. Step 4: Simplify right side
    102,049.68x = 8,977,186,822.60
  5. Step 5: Solve for x
    x = 8,977,186,822.60/102,049.68
  6. Step 6: Final answer
    x = 87,968.79

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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.