Home / 75,116.04-103,661.36-41,123.96

Finding the Fourth Proportional to 75,116.04, 103,661.36 and 41,123.96

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Solution

The fourth proportional to 75,116.04, 103,661.36 and 41,123.96 is: 56,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.04 : 103,661.36 = 41,123.96 : x
  2. Step 2: Convert to fraction form
    75,116.04/103,661.36 = 41,123.96/x
  3. Step 3: Cross multiply
    75,116.04x = 103,661.36 × 41,123.96
  4. Step 4: Simplify right side
    75,116.04x = 4,262,965,363.03
  5. Step 5: Solve for x
    x = 4,262,965,363.03/75,116.04
  6. Step 6: Final answer
    x = 56,751.73

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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.