Home / 84,944.70-127,416.60-21,764.70

Finding the Fourth Proportional to 84,944.70, 127,416.60 and 21,764.70

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Solution

The fourth proportional to 84,944.70, 127,416.60 and 21,764.70 is: 32,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,944.70 : 127,416.60 = 21,764.70 : x
  2. Step 2: Convert to fraction form
    84,944.70/127,416.60 = 21,764.70/x
  3. Step 3: Cross multiply
    84,944.70x = 127,416.60 × 21,764.70
  4. Step 4: Simplify right side
    84,944.70x = 2,773,184,074.02
  5. Step 5: Solve for x
    x = 2,773,184,074.02/84,944.70
  6. Step 6: Final answer
    x = 32,646.93

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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.