Home / 79,282.05-109,409.16-43,472.66

Finding the Fourth Proportional to 79,282.05, 109,409.16 and 43,472.66

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Solution

The fourth proportional to 79,282.05, 109,409.16 and 43,472.66 is: 59,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.05 : 109,409.16 = 43,472.66 : x
  2. Step 2: Convert to fraction form
    79,282.05/109,409.16 = 43,472.66/x
  3. Step 3: Cross multiply
    79,282.05x = 109,409.16 × 43,472.66
  4. Step 4: Simplify right side
    79,282.05x = 4,756,306,666.52
  5. Step 5: Solve for x
    x = 4,756,306,666.52/79,282.05
  6. Step 6: Final answer
    x = 59,992.23

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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.