Home / 66,247.12-91,420.96-37,952.92

Finding the Fourth Proportional to 66,247.12, 91,420.96 and 37,952.92

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Solution

The fourth proportional to 66,247.12, 91,420.96 and 37,952.92 is: 52,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,247.12 : 91,420.96 = 37,952.92 : x
  2. Step 2: Convert to fraction form
    66,247.12/91,420.96 = 37,952.92/x
  3. Step 3: Cross multiply
    66,247.12x = 91,420.96 × 37,952.92
  4. Step 4: Simplify right side
    66,247.12x = 3,469,692,381.20
  5. Step 5: Solve for x
    x = 3,469,692,381.20/66,247.12
  6. Step 6: Final answer
    x = 52,374.99

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1.5x scale

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.