Home / 79,262.42-109,389.04-43,459.26

Finding the Fourth Proportional to 79,262.42, 109,389.04 and 43,459.26

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Solution

The fourth proportional to 79,262.42, 109,389.04 and 43,459.26 is: 59,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,262.42 : 109,389.04 = 43,459.26 : x
  2. Step 2: Convert to fraction form
    79,262.42/109,389.04 = 43,459.26/x
  3. Step 3: Cross multiply
    79,262.42x = 109,389.04 × 43,459.26
  4. Step 4: Simplify right side
    79,262.42x = 4,753,966,730.51
  5. Step 5: Solve for x
    x = 4,753,966,730.51/79,262.42
  6. Step 6: Final answer
    x = 59,977.56

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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.