Home / 88,008.11-131,953.83-31,840.91

Finding the Fourth Proportional to 88,008.11, 131,953.83 and 31,840.91

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Solution

The fourth proportional to 88,008.11, 131,953.83 and 31,840.91 is: 47,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,008.11 : 131,953.83 = 31,840.91 : x
  2. Step 2: Convert to fraction form
    88,008.11/131,953.83 = 31,840.91/x
  3. Step 3: Cross multiply
    88,008.11x = 131,953.83 × 31,840.91
  4. Step 4: Simplify right side
    88,008.11x = 4,201,529,676.80
  5. Step 5: Solve for x
    x = 4,201,529,676.80/88,008.11
  6. Step 6: Final answer
    x = 47,740.26

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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.