Home / 55,945.20-83,963.70-55,507.80

Finding the Fourth Proportional to 55,945.20, 83,963.70 and 55,507.80

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Solution

The fourth proportional to 55,945.20, 83,963.70 and 55,507.80 is: 83,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,945.20 : 83,963.70 = 55,507.80 : x
  2. Step 2: Convert to fraction form
    55,945.20/83,963.70 = 55,507.80/x
  3. Step 3: Cross multiply
    55,945.20x = 83,963.70 × 55,507.80
  4. Step 4: Simplify right side
    55,945.20x = 4,660,640,266.86
  5. Step 5: Solve for x
    x = 4,660,640,266.86/55,945.20
  6. Step 6: Final answer
    x = 83,307.24

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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.