Home / 54,088.80-74,693.64-51,143.64

Finding the Fourth Proportional to 54,088.80, 74,693.64 and 51,143.64

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Solution

The fourth proportional to 54,088.80, 74,693.64 and 51,143.64 is: 70,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,088.80 : 74,693.64 = 51,143.64 : x
  2. Step 2: Convert to fraction form
    54,088.80/74,693.64 = 51,143.64/x
  3. Step 3: Cross multiply
    54,088.80x = 74,693.64 × 51,143.64
  4. Step 4: Simplify right side
    54,088.80x = 3,820,104,634.45
  5. Step 5: Solve for x
    x = 3,820,104,634.45/54,088.80
  6. Step 6: Final answer
    x = 70,626.54

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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.