Home / 81,918.47-113,058.36-46,115.52

Finding the Fourth Proportional to 81,918.47, 113,058.36 and 46,115.52

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Solution

The fourth proportional to 81,918.47, 113,058.36 and 46,115.52 is: 63,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,918.47 : 113,058.36 = 46,115.52 : x
  2. Step 2: Convert to fraction form
    81,918.47/113,058.36 = 46,115.52/x
  3. Step 3: Cross multiply
    81,918.47x = 113,058.36 × 46,115.52
  4. Step 4: Simplify right side
    81,918.47x = 5,213,745,061.75
  5. Step 5: Solve for x
    x = 5,213,745,061.75/81,918.47
  6. Step 6: Final answer
    x = 63,645.54

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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.