Home / 65,879.96-98,918.34-64,895.81

Finding the Fourth Proportional to 65,879.96, 98,918.34 and 64,895.81

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Solution

The fourth proportional to 65,879.96, 98,918.34 and 64,895.81 is: 97,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,879.96 : 98,918.34 = 64,895.81 : x
  2. Step 2: Convert to fraction form
    65,879.96/98,918.34 = 64,895.81/x
  3. Step 3: Cross multiply
    65,879.96x = 98,918.34 × 64,895.81
  4. Step 4: Simplify right side
    65,879.96x = 6,419,385,303.56
  5. Step 5: Solve for x
    x = 6,419,385,303.56/65,879.96
  6. Step 6: Final answer
    x = 97,440.64

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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.