Home / 123,722.40-185,632.20-48,829.80

Finding the Fourth Proportional to 123,722.40, 185,632.20 and 48,829.80

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Solution

The fourth proportional to 123,722.40, 185,632.20 and 48,829.80 is: 73,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,722.40 : 185,632.20 = 48,829.80 : x
  2. Step 2: Convert to fraction form
    123,722.40/185,632.20 = 48,829.80/x
  3. Step 3: Cross multiply
    123,722.40x = 185,632.20 × 48,829.80
  4. Step 4: Simplify right side
    123,722.40x = 9,064,383,199.56
  5. Step 5: Solve for x
    x = 9,064,383,199.56/123,722.40
  6. Step 6: Final answer
    x = 73,263.88

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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.