Home / 83,922.48-115,940.16-62,664.84

Finding the Fourth Proportional to 83,922.48, 115,940.16 and 62,664.84

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Solution

The fourth proportional to 83,922.48, 115,940.16 and 62,664.84 is: 86,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,922.48 : 115,940.16 = 62,664.84 : x
  2. Step 2: Convert to fraction form
    83,922.48/115,940.16 = 62,664.84/x
  3. Step 3: Cross multiply
    83,922.48x = 115,940.16 × 62,664.84
  4. Step 4: Simplify right side
    83,922.48x = 7,265,371,575.97
  5. Step 5: Solve for x
    x = 7,265,371,575.97/83,922.48
  6. Step 6: Final answer
    x = 86,572.41

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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.