Home / 79,640.82-109,923.48-52,784.46

Finding the Fourth Proportional to 79,640.82, 109,923.48 and 52,784.46

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Solution

The fourth proportional to 79,640.82, 109,923.48 and 52,784.46 is: 72,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,640.82 : 109,923.48 = 52,784.46 : x
  2. Step 2: Convert to fraction form
    79,640.82/109,923.48 = 52,784.46/x
  3. Step 3: Cross multiply
    79,640.82x = 109,923.48 × 52,784.46
  4. Step 4: Simplify right side
    79,640.82x = 5,802,251,533.12
  5. Step 5: Solve for x
    x = 5,802,251,533.12/79,640.82
  6. Step 6: Final answer
    x = 72,855.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.