Home / 74,080.80-111,043.44-53,292.96

Finding the Fourth Proportional to 74,080.80, 111,043.44 and 53,292.96

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Solution

The fourth proportional to 74,080.80, 111,043.44 and 53,292.96 is: 79,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,080.80 : 111,043.44 = 53,292.96 : x
  2. Step 2: Convert to fraction form
    74,080.80/111,043.44 = 53,292.96/x
  3. Step 3: Cross multiply
    74,080.80x = 111,043.44 × 53,292.96
  4. Step 4: Simplify right side
    74,080.80x = 5,917,833,606.18
  5. Step 5: Solve for x
    x = 5,917,833,606.18/74,080.80
  6. Step 6: Final answer
    x = 79,883.50

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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.