Home / 66,216.17-91,382.05-36,000.85

Finding the Fourth Proportional to 66,216.17, 91,382.05 and 36,000.85

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Solution

The fourth proportional to 66,216.17, 91,382.05 and 36,000.85 is: 49,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,216.17 : 91,382.05 = 36,000.85 : x
  2. Step 2: Convert to fraction form
    66,216.17/91,382.05 = 36,000.85/x
  3. Step 3: Cross multiply
    66,216.17x = 91,382.05 × 36,000.85
  4. Step 4: Simplify right side
    66,216.17x = 3,289,831,297.12
  5. Step 5: Solve for x
    x = 3,289,831,297.12/66,216.17
  6. Step 6: Final answer
    x = 49,683.20

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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.