Home / 124,740.96-187,105.37-45,850.20

Finding the Fourth Proportional to 124,740.96, 187,105.37 and 45,850.20

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Solution

The fourth proportional to 124,740.96, 187,105.37 and 45,850.20 is: 68,773.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,740.96 : 187,105.37 = 45,850.20 : x
  2. Step 2: Convert to fraction form
    124,740.96/187,105.37 = 45,850.20/x
  3. Step 3: Cross multiply
    124,740.96x = 187,105.37 × 45,850.20
  4. Step 4: Simplify right side
    124,740.96x = 8,578,818,406.32
  5. Step 5: Solve for x
    x = 8,578,818,406.32/124,740.96
  6. Step 6: Final answer
    x = 68,773.07

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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.