Home / 123,625.20-185,356.80-48,700.20

Finding the Fourth Proportional to 123,625.20, 185,356.80 and 48,700.20

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Solution

The fourth proportional to 123,625.20, 185,356.80 and 48,700.20 is: 73,018.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,625.20 : 185,356.80 = 48,700.20 : x
  2. Step 2: Convert to fraction form
    123,625.20/185,356.80 = 48,700.20/x
  3. Step 3: Cross multiply
    123,625.20x = 185,356.80 × 48,700.20
  4. Step 4: Simplify right side
    123,625.20x = 9,026,913,231.36
  5. Step 5: Solve for x
    x = 9,026,913,231.36/123,625.20
  6. Step 6: Final answer
    x = 73,018.39

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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.