Home / 55,693.12-83,391.88-43,564.40

Finding the Fourth Proportional to 55,693.12, 83,391.88 and 43,564.40

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Solution

The fourth proportional to 55,693.12, 83,391.88 and 43,564.40 is: 65,230.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,693.12 : 83,391.88 = 43,564.40 : x
  2. Step 2: Convert to fraction form
    55,693.12/83,391.88 = 43,564.40/x
  3. Step 3: Cross multiply
    55,693.12x = 83,391.88 × 43,564.40
  4. Step 4: Simplify right side
    55,693.12x = 3,632,917,217.07
  5. Step 5: Solve for x
    x = 3,632,917,217.07/55,693.12
  6. Step 6: Final answer
    x = 65,230.99

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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.