Home / 75,719.33-104,488.93-43,898.57

Finding the Fourth Proportional to 75,719.33, 104,488.93 and 43,898.57

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Solution

The fourth proportional to 75,719.33, 104,488.93 and 43,898.57 is: 60,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,719.33 : 104,488.93 = 43,898.57 : x
  2. Step 2: Convert to fraction form
    75,719.33/104,488.93 = 43,898.57/x
  3. Step 3: Cross multiply
    75,719.33x = 104,488.93 × 43,898.57
  4. Step 4: Simplify right side
    75,719.33x = 4,586,914,607.83
  5. Step 5: Solve for x
    x = 4,586,914,607.83/75,719.33
  6. Step 6: Final answer
    x = 60,577.86

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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.