Home / 122,499.50-183,796.79-47,672.20

Finding the Fourth Proportional to 122,499.50, 183,796.79 and 47,672.20

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Solution

The fourth proportional to 122,499.50, 183,796.79 and 47,672.20 is: 71,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,499.50 : 183,796.79 = 47,672.20 : x
  2. Step 2: Convert to fraction form
    122,499.50/183,796.79 = 47,672.20/x
  3. Step 3: Cross multiply
    122,499.50x = 183,796.79 × 47,672.20
  4. Step 4: Simplify right side
    122,499.50x = 8,761,997,332.24
  5. Step 5: Solve for x
    x = 8,761,997,332.24/122,499.50
  6. Step 6: Final answer
    x = 71,526.80

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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.