Home / 84,218.76-116,241.42-55,543.59

Finding the Fourth Proportional to 84,218.76, 116,241.42 and 55,543.59

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Solution

The fourth proportional to 84,218.76, 116,241.42 and 55,543.59 is: 76,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,218.76 : 116,241.42 = 55,543.59 : x
  2. Step 2: Convert to fraction form
    84,218.76/116,241.42 = 55,543.59/x
  3. Step 3: Cross multiply
    84,218.76x = 116,241.42 × 55,543.59
  4. Step 4: Simplify right side
    84,218.76x = 6,456,465,773.50
  5. Step 5: Solve for x
    x = 6,456,465,773.50/84,218.76
  6. Step 6: Final answer
    x = 76,663.04

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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.