Home / 74,076.80-111,037.44-53,288.96

Finding the Fourth Proportional to 74,076.80, 111,037.44 and 53,288.96

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Solution

The fourth proportional to 74,076.80, 111,037.44 and 53,288.96 is: 79,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,076.80 : 111,037.44 = 53,288.96 : x
  2. Step 2: Convert to fraction form
    74,076.80/111,037.44 = 53,288.96/x
  3. Step 3: Cross multiply
    74,076.80x = 111,037.44 × 53,288.96
  4. Step 4: Simplify right side
    74,076.80x = 5,917,069,698.66
  5. Step 5: Solve for x
    x = 5,917,069,698.66/74,076.80
  6. Step 6: Final answer
    x = 79,877.50

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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.