Home / 71,687.18-98,933.85-43,007.92

Finding the Fourth Proportional to 71,687.18, 98,933.85 and 43,007.92

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Solution

The fourth proportional to 71,687.18, 98,933.85 and 43,007.92 is: 59,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,687.18 : 98,933.85 = 43,007.92 : x
  2. Step 2: Convert to fraction form
    71,687.18/98,933.85 = 43,007.92/x
  3. Step 3: Cross multiply
    71,687.18x = 98,933.85 × 43,007.92
  4. Step 4: Simplify right side
    71,687.18x = 4,254,938,611.42
  5. Step 5: Solve for x
    x = 4,254,938,611.42/71,687.18
  6. Step 6: Final answer
    x = 59,354.25

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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.