Home / 65,161.04-97,739.51-20,790.44

Finding the Fourth Proportional to 65,161.04, 97,739.51 and 20,790.44

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Solution

The fourth proportional to 65,161.04, 97,739.51 and 20,790.44 is: 31,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,161.04 : 97,739.51 = 20,790.44 : x
  2. Step 2: Convert to fraction form
    65,161.04/97,739.51 = 20,790.44/x
  3. Step 3: Cross multiply
    65,161.04x = 97,739.51 × 20,790.44
  4. Step 4: Simplify right side
    65,161.04x = 2,032,046,981.56
  5. Step 5: Solve for x
    x = 2,032,046,981.56/65,161.04
  6. Step 6: Final answer
    x = 31,185.00

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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.