Home / 124,723.35-187,158.78-45,892.89

Finding the Fourth Proportional to 124,723.35, 187,158.78 and 45,892.89

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Solution

The fourth proportional to 124,723.35, 187,158.78 and 45,892.89 is: 68,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,723.35 : 187,158.78 = 45,892.89 : x
  2. Step 2: Convert to fraction form
    124,723.35/187,158.78 = 45,892.89/x
  3. Step 3: Cross multiply
    124,723.35x = 187,158.78 × 45,892.89
  4. Step 4: Simplify right side
    124,723.35x = 8,589,257,303.07
  5. Step 5: Solve for x
    x = 8,589,257,303.07/124,723.35
  6. Step 6: Final answer
    x = 68,866.47

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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.