Home / 55,749.28-83,721.68-43,283.36

Finding the Fourth Proportional to 55,749.28, 83,721.68 and 43,283.36

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Solution

The fourth proportional to 55,749.28, 83,721.68 and 43,283.36 is: 65,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,749.28 : 83,721.68 = 43,283.36 : x
  2. Step 2: Convert to fraction form
    55,749.28/83,721.68 = 43,283.36/x
  3. Step 3: Cross multiply
    55,749.28x = 83,721.68 × 43,283.36
  4. Step 4: Simplify right side
    55,749.28x = 3,623,755,615.24
  5. Step 5: Solve for x
    x = 3,623,755,615.24/55,749.28
  6. Step 6: Final answer
    x = 65,000.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.