Home / 84,830.76-116,956.26-54,561.96

Finding the Fourth Proportional to 84,830.76, 116,956.26 and 54,561.96

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Solution

The fourth proportional to 84,830.76, 116,956.26 and 54,561.96 is: 75,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,830.76 : 116,956.26 = 54,561.96 : x
  2. Step 2: Convert to fraction form
    84,830.76/116,956.26 = 54,561.96/x
  3. Step 3: Cross multiply
    84,830.76x = 116,956.26 × 54,561.96
  4. Step 4: Simplify right side
    84,830.76x = 6,381,362,779.87
  5. Step 5: Solve for x
    x = 6,381,362,779.87/84,830.76
  6. Step 6: Final answer
    x = 75,224.63

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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.