Home / 79,235.36-109,345.64-43,424.58

Finding the Fourth Proportional to 79,235.36, 109,345.64 and 43,424.58

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Solution

The fourth proportional to 79,235.36, 109,345.64 and 43,424.58 is: 59,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,235.36 : 109,345.64 = 43,424.58 : x
  2. Step 2: Convert to fraction form
    79,235.36/109,345.64 = 43,424.58/x
  3. Step 3: Cross multiply
    79,235.36x = 109,345.64 × 43,424.58
  4. Step 4: Simplify right side
    79,235.36x = 4,748,288,491.83
  5. Step 5: Solve for x
    x = 4,748,288,491.83/79,235.36
  6. Step 6: Final answer
    x = 59,926.38

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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.