Home / 109,481.40-164,108.70-59,455.80

Finding the Fourth Proportional to 109,481.40, 164,108.70 and 59,455.80

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Solution

The fourth proportional to 109,481.40, 164,108.70 and 59,455.80 is: 89,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,481.40 : 164,108.70 = 59,455.80 : x
  2. Step 2: Convert to fraction form
    109,481.40/164,108.70 = 59,455.80/x
  3. Step 3: Cross multiply
    109,481.40x = 164,108.70 × 59,455.80
  4. Step 4: Simplify right side
    109,481.40x = 9,757,214,045.46
  5. Step 5: Solve for x
    x = 9,757,214,045.46/109,481.40
  6. Step 6: Final answer
    x = 89,122.12

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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.