Home / 124,782.06-187,247.21-45,951.64

Finding the Fourth Proportional to 124,782.06, 187,247.21 and 45,951.64

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Solution

The fourth proportional to 124,782.06, 187,247.21 and 45,951.64 is: 68,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,782.06 : 187,247.21 = 45,951.64 : x
  2. Step 2: Convert to fraction form
    124,782.06/187,247.21 = 45,951.64/x
  3. Step 3: Cross multiply
    124,782.06x = 187,247.21 × 45,951.64
  4. Step 4: Simplify right side
    124,782.06x = 8,604,316,384.92
  5. Step 5: Solve for x
    x = 8,604,316,384.92/124,782.06
  6. Step 6: Final answer
    x = 68,954.76

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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.