Home / 75,697.08-113,545.62-28,964.28

Finding the Fourth Proportional to 75,697.08, 113,545.62 and 28,964.28

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Solution

The fourth proportional to 75,697.08, 113,545.62 and 28,964.28 is: 43,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,697.08 : 113,545.62 = 28,964.28 : x
  2. Step 2: Convert to fraction form
    75,697.08/113,545.62 = 28,964.28/x
  3. Step 3: Cross multiply
    75,697.08x = 113,545.62 × 28,964.28
  4. Step 4: Simplify right side
    75,697.08x = 3,288,767,130.45
  5. Step 5: Solve for x
    x = 3,288,767,130.45/75,697.08
  6. Step 6: Final answer
    x = 43,446.42

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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.