Home / 43,101.69-64,654.97-13,116.91

Finding the Fourth Proportional to 43,101.69, 64,654.97 and 13,116.91

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Solution

The fourth proportional to 43,101.69, 64,654.97 and 13,116.91 is: 19,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.69 : 64,654.97 = 13,116.91 : x
  2. Step 2: Convert to fraction form
    43,101.69/64,654.97 = 13,116.91/x
  3. Step 3: Cross multiply
    43,101.69x = 64,654.97 × 13,116.91
  4. Step 4: Simplify right side
    43,101.69x = 848,073,260.91
  5. Step 5: Solve for x
    x = 848,073,260.91/43,101.69
  6. Step 6: Final answer
    x = 19,676.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.