Home / 84,219.30-116,242.20-55,544.16

Finding the Fourth Proportional to 84,219.30, 116,242.20 and 55,544.16

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Solution

The fourth proportional to 84,219.30, 116,242.20 and 55,544.16 is: 76,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,219.30 : 116,242.20 = 55,544.16 : x
  2. Step 2: Convert to fraction form
    84,219.30/116,242.20 = 55,544.16/x
  3. Step 3: Cross multiply
    84,219.30x = 116,242.20 × 55,544.16
  4. Step 4: Simplify right side
    84,219.30x = 6,456,575,355.55
  5. Step 5: Solve for x
    x = 6,456,575,355.55/84,219.30
  6. Step 6: Final answer
    x = 76,663.84

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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.