Home / 87,591.56-120,837.96-53,601.68

Finding the Fourth Proportional to 87,591.56, 120,837.96 and 53,601.68

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Solution

The fourth proportional to 87,591.56, 120,837.96 and 53,601.68 is: 73,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,591.56 : 120,837.96 = 53,601.68 : x
  2. Step 2: Convert to fraction form
    87,591.56/120,837.96 = 53,601.68/x
  3. Step 3: Cross multiply
    87,591.56x = 120,837.96 × 53,601.68
  4. Step 4: Simplify right side
    87,591.56x = 6,477,117,663.77
  5. Step 5: Solve for x
    x = 6,477,117,663.77/87,591.56
  6. Step 6: Final answer
    x = 73,946.82

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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.