Home / 87,409.36-131,053.29-44,631.64

Finding the Fourth Proportional to 87,409.36, 131,053.29 and 44,631.64

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Solution

The fourth proportional to 87,409.36, 131,053.29 and 44,631.64 is: 66,916.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,409.36 : 131,053.29 = 44,631.64 : x
  2. Step 2: Convert to fraction form
    87,409.36/131,053.29 = 44,631.64/x
  3. Step 3: Cross multiply
    87,409.36x = 131,053.29 × 44,631.64
  4. Step 4: Simplify right side
    87,409.36x = 5,849,123,260.10
  5. Step 5: Solve for x
    x = 5,849,123,260.10/87,409.36
  6. Step 6: Final answer
    x = 66,916.44

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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.