Home / 75,688.92-104,450.64-43,876.26

Finding the Fourth Proportional to 75,688.92, 104,450.64 and 43,876.26

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Solution

The fourth proportional to 75,688.92, 104,450.64 and 43,876.26 is: 60,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,688.92 : 104,450.64 = 43,876.26 : x
  2. Step 2: Convert to fraction form
    75,688.92/104,450.64 = 43,876.26/x
  3. Step 3: Cross multiply
    75,688.92x = 104,450.64 × 43,876.26
  4. Step 4: Simplify right side
    75,688.92x = 4,582,903,437.81
  5. Step 5: Solve for x
    x = 4,582,903,437.81/75,688.92
  6. Step 6: Final answer
    x = 60,549.20

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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.