Home / 115,913.10-173,889.30-35,932.80

Finding the Fourth Proportional to 115,913.10, 173,889.30 and 35,932.80

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Solution

The fourth proportional to 115,913.10, 173,889.30 and 35,932.80 is: 53,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,913.10 : 173,889.30 = 35,932.80 : x
  2. Step 2: Convert to fraction form
    115,913.10/173,889.30 = 35,932.80/x
  3. Step 3: Cross multiply
    115,913.10x = 173,889.30 × 35,932.80
  4. Step 4: Simplify right side
    115,913.10x = 6,248,329,439.04
  5. Step 5: Solve for x
    x = 6,248,329,439.04/115,913.10
  6. Step 6: Final answer
    x = 53,905.29

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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.