Home / 123,731.03-185,623.86-52,649.87

Finding the Fourth Proportional to 123,731.03, 185,623.86 and 52,649.87

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Solution

The fourth proportional to 123,731.03, 185,623.86 and 52,649.87 is: 78,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,731.03 : 185,623.86 = 52,649.87 : x
  2. Step 2: Convert to fraction form
    123,731.03/185,623.86 = 52,649.87/x
  3. Step 3: Cross multiply
    123,731.03x = 185,623.86 × 52,649.87
  4. Step 4: Simplify right side
    123,731.03x = 9,773,072,097.90
  5. Step 5: Solve for x
    x = 9,773,072,097.90/123,731.03
  6. Step 6: Final answer
    x = 78,986.43

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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.