Home / 81,167.21-112,010.58-45,357.23

Finding the Fourth Proportional to 81,167.21, 112,010.58 and 45,357.23

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Solution

The fourth proportional to 81,167.21, 112,010.58 and 45,357.23 is: 62,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,167.21 : 112,010.58 = 45,357.23 : x
  2. Step 2: Convert to fraction form
    81,167.21/112,010.58 = 45,357.23/x
  3. Step 3: Cross multiply
    81,167.21x = 112,010.58 × 45,357.23
  4. Step 4: Simplify right side
    81,167.21x = 5,080,489,639.49
  5. Step 5: Solve for x
    x = 5,080,489,639.49/81,167.21
  6. Step 6: Final answer
    x = 62,592.88

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1.5x scale

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.