Home / 75,618.08-113,279.50-55,590.64

Finding the Fourth Proportional to 75,618.08, 113,279.50 and 55,590.64

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Solution

The fourth proportional to 75,618.08, 113,279.50 and 55,590.64 is: 83,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,618.08 : 113,279.50 = 55,590.64 : x
  2. Step 2: Convert to fraction form
    75,618.08/113,279.50 = 55,590.64/x
  3. Step 3: Cross multiply
    75,618.08x = 113,279.50 × 55,590.64
  4. Step 4: Simplify right side
    75,618.08x = 6,297,279,903.88
  5. Step 5: Solve for x
    x = 6,297,279,903.88/75,618.08
  6. Step 6: Final answer
    x = 83,277.44

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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.