Home / 54,407.17-74,958.39-42,100.27

Finding the Fourth Proportional to 54,407.17, 74,958.39 and 42,100.27

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Solution

The fourth proportional to 54,407.17, 74,958.39 and 42,100.27 is: 58,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,407.17 : 74,958.39 = 42,100.27 : x
  2. Step 2: Convert to fraction form
    54,407.17/74,958.39 = 42,100.27/x
  3. Step 3: Cross multiply
    54,407.17x = 74,958.39 × 42,100.27
  4. Step 4: Simplify right side
    54,407.17x = 3,155,768,287.70
  5. Step 5: Solve for x
    x = 3,155,768,287.70/54,407.17
  6. Step 6: Final answer
    x = 58,002.80

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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.