Home / 65,977.57-91,046.76-39,104.11

Finding the Fourth Proportional to 65,977.57, 91,046.76 and 39,104.11

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Solution

The fourth proportional to 65,977.57, 91,046.76 and 39,104.11 is: 53,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,977.57 : 91,046.76 = 39,104.11 : x
  2. Step 2: Convert to fraction form
    65,977.57/91,046.76 = 39,104.11/x
  3. Step 3: Cross multiply
    65,977.57x = 91,046.76 × 39,104.11
  4. Step 4: Simplify right side
    65,977.57x = 3,560,302,518.18
  5. Step 5: Solve for x
    x = 3,560,302,518.18/65,977.57
  6. Step 6: Final answer
    x = 53,962.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.