Home / 65,928.24-98,920.68-43,749.36

Finding the Fourth Proportional to 65,928.24, 98,920.68 and 43,749.36

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Solution

The fourth proportional to 65,928.24, 98,920.68 and 43,749.36 is: 65,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,928.24 : 98,920.68 = 43,749.36 : x
  2. Step 2: Convert to fraction form
    65,928.24/98,920.68 = 43,749.36/x
  3. Step 3: Cross multiply
    65,928.24x = 98,920.68 × 43,749.36
  4. Step 4: Simplify right side
    65,928.24x = 4,327,716,440.76
  5. Step 5: Solve for x
    x = 4,327,716,440.76/65,928.24
  6. Step 6: Final answer
    x = 65,642.83

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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.