Home / 81,274.27-112,167.80-45,473.35

Finding the Fourth Proportional to 81,274.27, 112,167.80 and 45,473.35

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Solution

The fourth proportional to 81,274.27, 112,167.80 and 45,473.35 is: 62,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,274.27 : 112,167.80 = 45,473.35 : x
  2. Step 2: Convert to fraction form
    81,274.27/112,167.80 = 45,473.35/x
  3. Step 3: Cross multiply
    81,274.27x = 112,167.80 × 45,473.35
  4. Step 4: Simplify right side
    81,274.27x = 5,100,645,628.13
  5. Step 5: Solve for x
    x = 5,100,645,628.13/81,274.27
  6. Step 6: Final answer
    x = 62,758.43

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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.