Home / 79,675.12-109,950.78-43,864.39

Finding the Fourth Proportional to 79,675.12, 109,950.78 and 43,864.39

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Solution

The fourth proportional to 79,675.12, 109,950.78 and 43,864.39 is: 60,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,675.12 : 109,950.78 = 43,864.39 : x
  2. Step 2: Convert to fraction form
    79,675.12/109,950.78 = 43,864.39/x
  3. Step 3: Cross multiply
    79,675.12x = 109,950.78 × 43,864.39
  4. Step 4: Simplify right side
    79,675.12x = 4,822,923,894.72
  5. Step 5: Solve for x
    x = 4,822,923,894.72/79,675.12
  6. Step 6: Final answer
    x = 60,532.37

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1.5x scale

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.