Home / 74,187.66-111,286.59-29,814.45

Finding the Fourth Proportional to 74,187.66, 111,286.59 and 29,814.45

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Solution

The fourth proportional to 74,187.66, 111,286.59 and 29,814.45 is: 44,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,187.66 : 111,286.59 = 29,814.45 : x
  2. Step 2: Convert to fraction form
    74,187.66/111,286.59 = 29,814.45/x
  3. Step 3: Cross multiply
    74,187.66x = 111,286.59 × 29,814.45
  4. Step 4: Simplify right side
    74,187.66x = 3,317,948,473.23
  5. Step 5: Solve for x
    x = 3,317,948,473.23/74,187.66
  6. Step 6: Final answer
    x = 44,723.72

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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.