Home / 88,172.10-132,267.38-29,012.45

Finding the Fourth Proportional to 88,172.10, 132,267.38 and 29,012.45

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Solution

The fourth proportional to 88,172.10, 132,267.38 and 29,012.45 is: 43,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,172.10 : 132,267.38 = 29,012.45 : x
  2. Step 2: Convert to fraction form
    88,172.10/132,267.38 = 29,012.45/x
  3. Step 3: Cross multiply
    88,172.10x = 132,267.38 × 29,012.45
  4. Step 4: Simplify right side
    88,172.10x = 3,837,399,942.48
  5. Step 5: Solve for x
    x = 3,837,399,942.48/88,172.10
  6. Step 6: Final answer
    x = 43,521.70

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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.