Home / 75,626.72-113,505.64-75,451.76

Finding the Fourth Proportional to 75,626.72, 113,505.64 and 75,451.76

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Solution

The fourth proportional to 75,626.72, 113,505.64 and 75,451.76 is: 113,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,626.72 : 113,505.64 = 75,451.76 : x
  2. Step 2: Convert to fraction form
    75,626.72/113,505.64 = 75,451.76/x
  3. Step 3: Cross multiply
    75,626.72x = 113,505.64 × 75,451.76
  4. Step 4: Simplify right side
    75,626.72x = 8,564,200,307.93
  5. Step 5: Solve for x
    x = 8,564,200,307.93/75,626.72
  6. Step 6: Final answer
    x = 113,243.05

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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.