Home / 66,909.06-92,327.85-38,623.86

Finding the Fourth Proportional to 66,909.06, 92,327.85 and 38,623.86

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Solution

The fourth proportional to 66,909.06, 92,327.85 and 38,623.86 is: 53,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,909.06 : 92,327.85 = 38,623.86 : x
  2. Step 2: Convert to fraction form
    66,909.06/92,327.85 = 38,623.86/x
  3. Step 3: Cross multiply
    66,909.06x = 92,327.85 × 38,623.86
  4. Step 4: Simplify right side
    66,909.06x = 3,566,057,952.50
  5. Step 5: Solve for x
    x = 3,566,057,952.50/66,909.06
  6. Step 6: Final answer
    x = 53,297.09

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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.