Home / 75,617.60-113,426.40-26,369.60

Finding the Fourth Proportional to 75,617.60, 113,426.40 and 26,369.60

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Solution

The fourth proportional to 75,617.60, 113,426.40 and 26,369.60 is: 39,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,617.60 : 113,426.40 = 26,369.60 : x
  2. Step 2: Convert to fraction form
    75,617.60/113,426.40 = 26,369.60/x
  3. Step 3: Cross multiply
    75,617.60x = 113,426.40 × 26,369.60
  4. Step 4: Simplify right side
    75,617.60x = 2,991,008,797.44
  5. Step 5: Solve for x
    x = 2,991,008,797.44/75,617.60
  6. Step 6: Final answer
    x = 39,554.40

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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.