Home / 72,108.28-99,503.34-41,883.88

Finding the Fourth Proportional to 72,108.28, 99,503.34 and 41,883.88

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Solution

The fourth proportional to 72,108.28, 99,503.34 and 41,883.88 is: 57,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,108.28 : 99,503.34 = 41,883.88 : x
  2. Step 2: Convert to fraction form
    72,108.28/99,503.34 = 41,883.88/x
  3. Step 3: Cross multiply
    72,108.28x = 99,503.34 × 41,883.88
  4. Step 4: Simplify right side
    72,108.28x = 4,167,585,952.16
  5. Step 5: Solve for x
    x = 4,167,585,952.16/72,108.28
  6. Step 6: Final answer
    x = 57,796.22

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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.