Home / 66,650.08-91,977.28-36,435.76

Finding the Fourth Proportional to 66,650.08, 91,977.28 and 36,435.76

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Solution

The fourth proportional to 66,650.08, 91,977.28 and 36,435.76 is: 50,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,650.08 : 91,977.28 = 36,435.76 : x
  2. Step 2: Convert to fraction form
    66,650.08/91,977.28 = 36,435.76/x
  3. Step 3: Cross multiply
    66,650.08x = 91,977.28 × 36,435.76
  4. Step 4: Simplify right side
    66,650.08x = 3,351,262,099.53
  5. Step 5: Solve for x
    x = 3,351,262,099.53/66,650.08
  6. Step 6: Final answer
    x = 50,281.44

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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.