Home / 65,879.45-98,917.59-64,895.30

Finding the Fourth Proportional to 65,879.45, 98,917.59 and 64,895.30

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Solution

The fourth proportional to 65,879.45, 98,917.59 and 64,895.30 is: 97,439.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,879.45 : 98,917.59 = 64,895.30 : x
  2. Step 2: Convert to fraction form
    65,879.45/98,917.59 = 64,895.30/x
  3. Step 3: Cross multiply
    65,879.45x = 98,917.59 × 64,895.30
  4. Step 4: Simplify right side
    65,879.45x = 6,419,286,678.33
  5. Step 5: Solve for x
    x = 6,419,286,678.33/65,879.45
  6. Step 6: Final answer
    x = 97,439.89

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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.