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Finding the Fourth Proportional to 91,873.00, 126,788.33 and 62,862.22

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Solution

The fourth proportional to 91,873.00, 126,788.33 and 62,862.22 is: 86,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,873.00 : 126,788.33 = 62,862.22 : x
  2. Step 2: Convert to fraction form
    91,873.00/126,788.33 = 62,862.22/x
  3. Step 3: Cross multiply
    91,873.00x = 126,788.33 × 62,862.22
  4. Step 4: Simplify right side
    91,873.00x = 7,970,195,974.21
  5. Step 5: Solve for x
    x = 7,970,195,974.21/91,873.00
  6. Step 6: Final answer
    x = 86,752.32

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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.