Home / 53,895.48-80,884.73-43,391.20

Finding the Fourth Proportional to 53,895.48, 80,884.73 and 43,391.20

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Solution

The fourth proportional to 53,895.48, 80,884.73 and 43,391.20 is: 65,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.48 : 80,884.73 = 43,391.20 : x
  2. Step 2: Convert to fraction form
    53,895.48/80,884.73 = 43,391.20/x
  3. Step 3: Cross multiply
    53,895.48x = 80,884.73 × 43,391.20
  4. Step 4: Simplify right side
    53,895.48x = 3,509,685,496.38
  5. Step 5: Solve for x
    x = 3,509,685,496.38/53,895.48
  6. Step 6: Final answer
    x = 65,120.22

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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.