Home / 65,177.22-97,776.42-20,188.07

Finding the Fourth Proportional to 65,177.22, 97,776.42 and 20,188.07

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Solution

The fourth proportional to 65,177.22, 97,776.42 and 20,188.07 is: 30,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,177.22 : 97,776.42 = 20,188.07 : x
  2. Step 2: Convert to fraction form
    65,177.22/97,776.42 = 20,188.07/x
  3. Step 3: Cross multiply
    65,177.22x = 97,776.42 × 20,188.07
  4. Step 4: Simplify right side
    65,177.22x = 1,973,916,621.49
  5. Step 5: Solve for x
    x = 1,973,916,621.49/65,177.22
  6. Step 6: Final answer
    x = 30,285.38

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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.