Home / 81,199.74-112,058.12-45,391.26

Finding the Fourth Proportional to 81,199.74, 112,058.12 and 45,391.26

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Solution

The fourth proportional to 81,199.74, 112,058.12 and 45,391.26 is: 62,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,199.74 : 112,058.12 = 45,391.26 : x
  2. Step 2: Convert to fraction form
    81,199.74/112,058.12 = 45,391.26/x
  3. Step 3: Cross multiply
    81,199.74x = 112,058.12 × 45,391.26
  4. Step 4: Simplify right side
    81,199.74x = 5,086,459,414.73
  5. Step 5: Solve for x
    x = 5,086,459,414.73/81,199.74
  6. Step 6: Final answer
    x = 62,641.33

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1.5x scale

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.