Home / 54,791.48-82,062.65-42,870.96

Finding the Fourth Proportional to 54,791.48, 82,062.65 and 42,870.96

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Solution

The fourth proportional to 54,791.48, 82,062.65 and 42,870.96 is: 64,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,791.48 : 82,062.65 = 42,870.96 : x
  2. Step 2: Convert to fraction form
    54,791.48/82,062.65 = 42,870.96/x
  3. Step 3: Cross multiply
    54,791.48x = 82,062.65 × 42,870.96
  4. Step 4: Simplify right side
    54,791.48x = 3,518,104,585.64
  5. Step 5: Solve for x
    x = 3,518,104,585.64/54,791.48
  6. Step 6: Final answer
    x = 64,208.97

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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.