Home / 47,991.40-72,000.93-14,716.37

Finding the Fourth Proportional to 47,991.40, 72,000.93 and 14,716.37

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Solution

The fourth proportional to 47,991.40, 72,000.93 and 14,716.37 is: 22,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991.40 : 72,000.93 = 14,716.37 : x
  2. Step 2: Convert to fraction form
    47,991.40/72,000.93 = 14,716.37/x
  3. Step 3: Cross multiply
    47,991.40x = 72,000.93 × 14,716.37
  4. Step 4: Simplify right side
    47,991.40x = 1,059,592,326.22
  5. Step 5: Solve for x
    x = 1,059,592,326.22/47,991.40
  6. Step 6: Final answer
    x = 22,078.80

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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.