Home / 81,984.83-122,977.28-63,292.16

Finding the Fourth Proportional to 81,984.83, 122,977.28 and 63,292.16

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Solution

The fourth proportional to 81,984.83, 122,977.28 and 63,292.16 is: 94,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,984.83 : 122,977.28 = 63,292.16 : x
  2. Step 2: Convert to fraction form
    81,984.83/122,977.28 = 63,292.16/x
  3. Step 3: Cross multiply
    81,984.83x = 122,977.28 × 63,292.16
  4. Step 4: Simplify right side
    81,984.83x = 7,783,498,147.80
  5. Step 5: Solve for x
    x = 7,783,498,147.80/81,984.83
  6. Step 6: Final answer
    x = 94,938.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.