Home / 72,960.13-109,202.36-39,597.45

Finding the Fourth Proportional to 72,960.13, 109,202.36 and 39,597.45

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Solution

The fourth proportional to 72,960.13, 109,202.36 and 39,597.45 is: 59,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,960.13 : 109,202.36 = 39,597.45 : x
  2. Step 2: Convert to fraction form
    72,960.13/109,202.36 = 39,597.45/x
  3. Step 3: Cross multiply
    72,960.13x = 109,202.36 × 39,597.45
  4. Step 4: Simplify right side
    72,960.13x = 4,324,134,989.98
  5. Step 5: Solve for x
    x = 4,324,134,989.98/72,960.13
  6. Step 6: Final answer
    x = 59,267.10

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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.