Home / 85,363.66-117,817.73-49,086.34

Finding the Fourth Proportional to 85,363.66, 117,817.73 and 49,086.34

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Solution

The fourth proportional to 85,363.66, 117,817.73 and 49,086.34 is: 67,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,363.66 : 117,817.73 = 49,086.34 : x
  2. Step 2: Convert to fraction form
    85,363.66/117,817.73 = 49,086.34/x
  3. Step 3: Cross multiply
    85,363.66x = 117,817.73 × 49,086.34
  4. Step 4: Simplify right side
    85,363.66x = 5,783,240,980.98
  5. Step 5: Solve for x
    x = 5,783,240,980.98/85,363.66
  6. Step 6: Final answer
    x = 67,748.28

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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.