Home / 55,748.32-76,745.10-48,298.12

Finding the Fourth Proportional to 55,748.32, 76,745.10 and 48,298.12

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Solution

The fourth proportional to 55,748.32, 76,745.10 and 48,298.12 is: 66,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,748.32 : 76,745.10 = 48,298.12 : x
  2. Step 2: Convert to fraction form
    55,748.32/76,745.10 = 48,298.12/x
  3. Step 3: Cross multiply
    55,748.32x = 76,745.10 × 48,298.12
  4. Step 4: Simplify right side
    55,748.32x = 3,706,644,049.21
  5. Step 5: Solve for x
    x = 3,706,644,049.21/55,748.32
  6. Step 6: Final answer
    x = 66,488.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.