Home / 79,554.09-109,784.94-43,746.36

Finding the Fourth Proportional to 79,554.09, 109,784.94 and 43,746.36

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Solution

The fourth proportional to 79,554.09, 109,784.94 and 43,746.36 is: 60,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,554.09 : 109,784.94 = 43,746.36 : x
  2. Step 2: Convert to fraction form
    79,554.09/109,784.94 = 43,746.36/x
  3. Step 3: Cross multiply
    79,554.09x = 109,784.94 × 43,746.36
  4. Step 4: Simplify right side
    79,554.09x = 4,802,691,507.82
  5. Step 5: Solve for x
    x = 4,802,691,507.82/79,554.09
  6. Step 6: Final answer
    x = 60,370.14

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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.