Home / 88,001.10-131,810.49-54,163.98

Finding the Fourth Proportional to 88,001.10, 131,810.49 and 54,163.98

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Solution

The fourth proportional to 88,001.10, 131,810.49 and 54,163.98 is: 81,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001.10 : 131,810.49 = 54,163.98 : x
  2. Step 2: Convert to fraction form
    88,001.10/131,810.49 = 54,163.98/x
  3. Step 3: Cross multiply
    88,001.10x = 131,810.49 × 54,163.98
  4. Step 4: Simplify right side
    88,001.10x = 7,139,381,441.55
  5. Step 5: Solve for x
    x = 7,139,381,441.55/88,001.10
  6. Step 6: Final answer
    x = 81,128.32

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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.