Home / 83,457.41-115,170.46-45,731.66

Finding the Fourth Proportional to 83,457.41, 115,170.46 and 45,731.66

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Solution

The fourth proportional to 83,457.41, 115,170.46 and 45,731.66 is: 63,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,457.41 : 115,170.46 = 45,731.66 : x
  2. Step 2: Convert to fraction form
    83,457.41/115,170.46 = 45,731.66/x
  3. Step 3: Cross multiply
    83,457.41x = 115,170.46 × 45,731.66
  4. Step 4: Simplify right side
    83,457.41x = 5,266,935,628.58
  5. Step 5: Solve for x
    x = 5,266,935,628.58/83,457.41
  6. Step 6: Final answer
    x = 63,109.27

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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.