Home / 74,116.98-111,196.35-29,774.88

Finding the Fourth Proportional to 74,116.98, 111,196.35 and 29,774.88

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Solution

The fourth proportional to 74,116.98, 111,196.35 and 29,774.88 is: 44,670.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,116.98 : 111,196.35 = 29,774.88 : x
  2. Step 2: Convert to fraction form
    74,116.98/111,196.35 = 29,774.88/x
  3. Step 3: Cross multiply
    74,116.98x = 111,196.35 × 29,774.88
  4. Step 4: Simplify right side
    74,116.98x = 3,310,857,977.69
  5. Step 5: Solve for x
    x = 3,310,857,977.69/74,116.98
  6. Step 6: Final answer
    x = 44,670.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.