Home / 54,909.33-75,718.31-46,977.81

Finding the Fourth Proportional to 54,909.33, 75,718.31 and 46,977.81

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Solution

The fourth proportional to 54,909.33, 75,718.31 and 46,977.81 is: 64,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.33 : 75,718.31 = 46,977.81 : x
  2. Step 2: Convert to fraction form
    54,909.33/75,718.31 = 46,977.81/x
  3. Step 3: Cross multiply
    54,909.33x = 75,718.31 × 46,977.81
  4. Step 4: Simplify right side
    54,909.33x = 3,557,080,145.81
  5. Step 5: Solve for x
    x = 3,557,080,145.81/54,909.33
  6. Step 6: Final answer
    x = 64,780.98

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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.