Home / 54,292.11-74,821.64-42,336.51

Finding the Fourth Proportional to 54,292.11, 74,821.64 and 42,336.51

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Solution

The fourth proportional to 54,292.11, 74,821.64 and 42,336.51 is: 58,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,292.11 : 74,821.64 = 42,336.51 : x
  2. Step 2: Convert to fraction form
    54,292.11/74,821.64 = 42,336.51/x
  3. Step 3: Cross multiply
    54,292.11x = 74,821.64 × 42,336.51
  4. Step 4: Simplify right side
    54,292.11x = 3,167,686,898.39
  5. Step 5: Solve for x
    x = 3,167,686,898.39/54,292.11
  6. Step 6: Final answer
    x = 58,345.25

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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.