Home / 81,874.14-112,987.35-46,064.22

Finding the Fourth Proportional to 81,874.14, 112,987.35 and 46,064.22

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Solution

The fourth proportional to 81,874.14, 112,987.35 and 46,064.22 is: 63,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,874.14 : 112,987.35 = 46,064.22 : x
  2. Step 2: Convert to fraction form
    81,874.14/112,987.35 = 46,064.22/x
  3. Step 3: Cross multiply
    81,874.14x = 112,987.35 × 46,064.22
  4. Step 4: Simplify right side
    81,874.14x = 5,204,674,147.62
  5. Step 5: Solve for x
    x = 5,204,674,147.62/81,874.14
  6. Step 6: Final answer
    x = 63,569.21

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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.