Home / 123,777.30-185,636.08-57,153.39

Finding the Fourth Proportional to 123,777.30, 185,636.08 and 57,153.39

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Solution

The fourth proportional to 123,777.30, 185,636.08 and 57,153.39 is: 85,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,777.30 : 185,636.08 = 57,153.39 : x
  2. Step 2: Convert to fraction form
    123,777.30/185,636.08 = 57,153.39/x
  3. Step 3: Cross multiply
    123,777.30x = 185,636.08 × 57,153.39
  4. Step 4: Simplify right side
    123,777.30x = 10,609,731,278.31
  5. Step 5: Solve for x
    x = 10,609,731,278.31/123,777.30
  6. Step 6: Final answer
    x = 85,716.29

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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.