Home / 65,495.21-98,160.66-28,011.28

Finding the Fourth Proportional to 65,495.21, 98,160.66 and 28,011.28

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Solution

The fourth proportional to 65,495.21, 98,160.66 and 28,011.28 is: 41,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,495.21 : 98,160.66 = 28,011.28 : x
  2. Step 2: Convert to fraction form
    65,495.21/98,160.66 = 28,011.28/x
  3. Step 3: Cross multiply
    65,495.21x = 98,160.66 × 28,011.28
  4. Step 4: Simplify right side
    65,495.21x = 2,749,605,732.24
  5. Step 5: Solve for x
    x = 2,749,605,732.24/65,495.21
  6. Step 6: Final answer
    x = 41,981.78

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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.