Home / 79,370.32-109,530.95-43,560.42

Finding the Fourth Proportional to 79,370.32, 109,530.95 and 43,560.42

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Solution

The fourth proportional to 79,370.32, 109,530.95 and 43,560.42 is: 60,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370.32 : 109,530.95 = 43,560.42 : x
  2. Step 2: Convert to fraction form
    79,370.32/109,530.95 = 43,560.42/x
  3. Step 3: Cross multiply
    79,370.32x = 109,530.95 × 43,560.42
  4. Step 4: Simplify right side
    79,370.32x = 4,771,214,185.00
  5. Step 5: Solve for x
    x = 4,771,214,185.00/79,370.32
  6. Step 6: Final answer
    x = 60,113.33

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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.