Home / 74,914.76-103,387.19-43,082.98

Finding the Fourth Proportional to 74,914.76, 103,387.19 and 43,082.98

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Solution

The fourth proportional to 74,914.76, 103,387.19 and 43,082.98 is: 59,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914.76 : 103,387.19 = 43,082.98 : x
  2. Step 2: Convert to fraction form
    74,914.76/103,387.19 = 43,082.98/x
  3. Step 3: Cross multiply
    74,914.76x = 103,387.19 × 43,082.98
  4. Step 4: Simplify right side
    74,914.76x = 4,454,227,765.14
  5. Step 5: Solve for x
    x = 4,454,227,765.14/74,914.76
  6. Step 6: Final answer
    x = 59,457.28

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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.