Home / 72,462.02-108,858.66-51,453.86

Finding the Fourth Proportional to 72,462.02, 108,858.66 and 51,453.86

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Solution

The fourth proportional to 72,462.02, 108,858.66 and 51,453.86 is: 77,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,462.02 : 108,858.66 = 51,453.86 : x
  2. Step 2: Convert to fraction form
    72,462.02/108,858.66 = 51,453.86/x
  3. Step 3: Cross multiply
    72,462.02x = 108,858.66 × 51,453.86
  4. Step 4: Simplify right side
    72,462.02x = 5,601,198,251.43
  5. Step 5: Solve for x
    x = 5,601,198,251.43/72,462.02
  6. Step 6: Final answer
    x = 77,298.40

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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.