Home / 88,009.25-131,897.23-73,312.61

Finding the Fourth Proportional to 88,009.25, 131,897.23 and 73,312.61

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Solution

The fourth proportional to 88,009.25, 131,897.23 and 73,312.61 is: 109,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,009.25 : 131,897.23 = 73,312.61 : x
  2. Step 2: Convert to fraction form
    88,009.25/131,897.23 = 73,312.61/x
  3. Step 3: Cross multiply
    88,009.25x = 131,897.23 × 73,312.61
  4. Step 4: Simplify right side
    88,009.25x = 9,669,730,183.07
  5. Step 5: Solve for x
    x = 9,669,730,183.07/88,009.25
  6. Step 6: Final answer
    x = 109,871.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.