Home / 123,869.05-185,810.64-35,115.58

Finding the Fourth Proportional to 123,869.05, 185,810.64 and 35,115.58

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Solution

The fourth proportional to 123,869.05, 185,810.64 and 35,115.58 is: 52,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,869.05 : 185,810.64 = 35,115.58 : x
  2. Step 2: Convert to fraction form
    123,869.05/185,810.64 = 35,115.58/x
  3. Step 3: Cross multiply
    123,869.05x = 185,810.64 × 35,115.58
  4. Step 4: Simplify right side
    123,869.05x = 6,524,847,929.24
  5. Step 5: Solve for x
    x = 6,524,847,929.24/123,869.05
  6. Step 6: Final answer
    x = 52,675.37

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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.