Home / 79,871.04-110,221.52-43,574.49

Finding the Fourth Proportional to 79,871.04, 110,221.52 and 43,574.49

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Solution

The fourth proportional to 79,871.04, 110,221.52 and 43,574.49 is: 60,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,871.04 : 110,221.52 = 43,574.49 : x
  2. Step 2: Convert to fraction form
    79,871.04/110,221.52 = 43,574.49/x
  3. Step 3: Cross multiply
    79,871.04x = 110,221.52 × 43,574.49
  4. Step 4: Simplify right side
    79,871.04x = 4,802,846,303.15
  5. Step 5: Solve for x
    x = 4,802,846,303.15/79,871.04
  6. Step 6: Final answer
    x = 60,132.51

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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.