Home / 79,272.14-109,395.52-43,461.39

Finding the Fourth Proportional to 79,272.14, 109,395.52 and 43,461.39

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Solution

The fourth proportional to 79,272.14, 109,395.52 and 43,461.39 is: 59,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272.14 : 109,395.52 = 43,461.39 : x
  2. Step 2: Convert to fraction form
    79,272.14/109,395.52 = 43,461.39/x
  3. Step 3: Cross multiply
    79,272.14x = 109,395.52 × 43,461.39
  4. Step 4: Simplify right side
    79,272.14x = 4,754,481,358.97
  5. Step 5: Solve for x
    x = 4,754,481,358.97/79,272.14
  6. Step 6: Final answer
    x = 59,976.70

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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.