Home / 79,567.36-109,803.28-43,759.64

Finding the Fourth Proportional to 79,567.36, 109,803.28 and 43,759.64

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Solution

The fourth proportional to 79,567.36, 109,803.28 and 43,759.64 is: 60,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,567.36 : 109,803.28 = 43,759.64 : x
  2. Step 2: Convert to fraction form
    79,567.36/109,803.28 = 43,759.64/x
  3. Step 3: Cross multiply
    79,567.36x = 109,803.28 × 43,759.64
  4. Step 4: Simplify right side
    79,567.36x = 4,804,951,454.60
  5. Step 5: Solve for x
    x = 4,804,951,454.60/79,567.36
  6. Step 6: Final answer
    x = 60,388.48

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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.