Home / 124,810.20-187,215.30-36,066.60

Finding the Fourth Proportional to 124,810.20, 187,215.30 and 36,066.60

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Solution

The fourth proportional to 124,810.20, 187,215.30 and 36,066.60 is: 54,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,810.20 : 187,215.30 = 36,066.60 : x
  2. Step 2: Convert to fraction form
    124,810.20/187,215.30 = 36,066.60/x
  3. Step 3: Cross multiply
    124,810.20x = 187,215.30 × 36,066.60
  4. Step 4: Simplify right side
    124,810.20x = 6,752,219,338.98
  5. Step 5: Solve for x
    x = 6,752,219,338.98/124,810.20
  6. Step 6: Final answer
    x = 54,099.90

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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.