Home / 64,863.05-89,511.53-36,181.76

Finding the Fourth Proportional to 64,863.05, 89,511.53 and 36,181.76

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Solution

The fourth proportional to 64,863.05, 89,511.53 and 36,181.76 is: 49,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,863.05 : 89,511.53 = 36,181.76 : x
  2. Step 2: Convert to fraction form
    64,863.05/89,511.53 = 36,181.76/x
  3. Step 3: Cross multiply
    64,863.05x = 89,511.53 × 36,181.76
  4. Step 4: Simplify right side
    64,863.05x = 3,238,684,067.23
  5. Step 5: Solve for x
    x = 3,238,684,067.23/64,863.05
  6. Step 6: Final answer
    x = 49,931.11

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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.