Home / 66,933.90-92,431.26-43,102.08

Finding the Fourth Proportional to 66,933.90, 92,431.26 and 43,102.08

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Solution

The fourth proportional to 66,933.90, 92,431.26 and 43,102.08 is: 59,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,933.90 : 92,431.26 = 43,102.08 : x
  2. Step 2: Convert to fraction form
    66,933.90/92,431.26 = 43,102.08/x
  3. Step 3: Cross multiply
    66,933.90x = 92,431.26 × 43,102.08
  4. Step 4: Simplify right side
    66,933.90x = 3,983,979,563.02
  5. Step 5: Solve for x
    x = 3,983,979,563.02/66,933.90
  6. Step 6: Final answer
    x = 59,521.10

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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.