Home / 71,933.16-99,248.26-40,887.96

Finding the Fourth Proportional to 71,933.16, 99,248.26 and 40,887.96

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Solution

The fourth proportional to 71,933.16, 99,248.26 and 40,887.96 is: 56,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,933.16 : 99,248.26 = 40,887.96 : x
  2. Step 2: Convert to fraction form
    71,933.16/99,248.26 = 40,887.96/x
  3. Step 3: Cross multiply
    71,933.16x = 99,248.26 × 40,887.96
  4. Step 4: Simplify right side
    71,933.16x = 4,058,058,884.95
  5. Step 5: Solve for x
    x = 4,058,058,884.95/71,933.16
  6. Step 6: Final answer
    x = 56,414.30

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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.