Home / 54,867.92-75,730.52-38,957.36

Finding the Fourth Proportional to 54,867.92, 75,730.52 and 38,957.36

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Solution

The fourth proportional to 54,867.92, 75,730.52 and 38,957.36 is: 53,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,867.92 : 75,730.52 = 38,957.36 : x
  2. Step 2: Convert to fraction form
    54,867.92/75,730.52 = 38,957.36/x
  3. Step 3: Cross multiply
    54,867.92x = 75,730.52 × 38,957.36
  4. Step 4: Simplify right side
    54,867.92x = 2,950,261,130.63
  5. Step 5: Solve for x
    x = 2,950,261,130.63/54,867.92
  6. Step 6: Final answer
    x = 53,770.24

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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.