Home / 79,318.32-109,455.48-43,501.68

Finding the Fourth Proportional to 79,318.32, 109,455.48 and 43,501.68

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Solution

The fourth proportional to 79,318.32, 109,455.48 and 43,501.68 is: 60,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,318.32 : 109,455.48 = 43,501.68 : x
  2. Step 2: Convert to fraction form
    79,318.32/109,455.48 = 43,501.68/x
  3. Step 3: Cross multiply
    79,318.32x = 109,455.48 × 43,501.68
  4. Step 4: Simplify right side
    79,318.32x = 4,761,497,265.21
  5. Step 5: Solve for x
    x = 4,761,497,265.21/79,318.32
  6. Step 6: Final answer
    x = 60,030.23

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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.